28259712

素因数分解:

$2^7\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 256

約数和(自身を含む): 97675200

約数和(自身を除く): 69415488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 27, 32, 34, 36, 37, 39, 48, 51, 52, 54, 64, 68, 72, 74, 78, 96, 102, 104, 108, 111, 117, 128, 136, 144, 148, 153, 156, 192, 204, 208, 216, 221, 222, 234, 272, 288, 296, 306, 312, 333, 351, 384, 408, 416, 432, 442, 444, 459, 468, 481, 544, 576, 592, 612, 624, 629, 663, 666, 702, 816, 832, 864, 884, 888, 918, 936, 962, 999, 1088, 1152, 1184, 1224, 1248, 1258, 1326, 1332, 1404, 1443, 1632, 1664, 1728, 1768, 1776, 1836, 1872, 1887, 1924, 1989, 1998, 2176, 2368, 2448, 2496, 2516, 2652, 2664, 2808, 2886, 3264, 3456, 3536, 3552, 3672, 3744, 3774, 3848, 3978, 3996, 4329, 4736, 4896, 4992, 5032, 5304, 5328, 5616, 5661, 5772, 5967, 6528, 7072, 7104, 7344, 7488, 7548, 7696, 7956, 7992, 8177, 8658, 9792, 10064, 10608, 10656, 11232, 11322, 11544, 11934, 12987, 14144, 14208, 14688, 14976, 15096, 15392, 15912, 15984, 16354, 16983, 17316, 19584, 20128, 21216, 21312, 22464, 22644, 23088, 23868, 24531, 25974, 28288, 29376, 30192, 30784, 31824, 31968, 32708, 33966, 34632, 40256, 42432, 42624, 44928, 45288, 46176, 47736, 49062, 51948, 58752, 60384, 61568, 63648, 63936, 65416, 67932, 69264, 73593, 80512, 84864, 90576, 92352, 95472, 98124, 103896, 120768, 127296, 127872, 130832, 135864, 138528, 147186, 181152, 184704, 190944, 196248, 207792, 220779, 241536, 254592, 261664, 271728, 277056, 294372, 362304, 381888, 392496, 415584, 441558, 523328, 543456, 554112, 588744, 724608, 763776, 784992, 831168, 883116, 1046656, 1086912, 1177488, 1569984, 1662336, 1766232, 2173824, 2354976, 3139968, 3532464, 4709952, 7064928, 9419904, 14129856, 28259712]

約数ペア:

[(1, 28259712), (2, 14129856), (3, 9419904), (4, 7064928), (6, 4709952), (8, 3532464), (9, 3139968), (12, 2354976), (13, 2173824), (16, 1766232), (17, 1662336), (18, 1569984), (24, 1177488), (26, 1086912), (27, 1046656), (32, 883116), (34, 831168), (36, 784992), (37, 763776), (39, 724608), (48, 588744), (51, 554112), (52, 543456), (54, 523328), (64, 441558), (68, 415584), (72, 392496), (74, 381888), (78, 362304), (96, 294372), (102, 277056), (104, 271728), (108, 261664), (111, 254592), (117, 241536), (128, 220779), (136, 207792), (144, 196248), (148, 190944), (153, 184704), (156, 181152), (192, 147186), (204, 138528), (208, 135864), (216, 130832), (221, 127872), (222, 127296), (234, 120768), (272, 103896), (288, 98124), (296, 95472), (306, 92352), (312, 90576), (333, 84864), (351, 80512), (384, 73593), (408, 69264), (416, 67932), (432, 65416), (442, 63936), (444, 63648), (459, 61568), (468, 60384), (481, 58752), (544, 51948), (576, 49062), (592, 47736), (612, 46176), (624, 45288), (629, 44928), (663, 42624), (666, 42432), (702, 40256), (816, 34632), (832, 33966), (864, 32708), (884, 31968), (888, 31824), (918, 30784), (936, 30192), (962, 29376), (999, 28288), (1088, 25974), (1152, 24531), (1184, 23868), (1224, 23088), (1248, 22644), (1258, 22464), (1326, 21312), (1332, 21216), (1404, 20128), (1443, 19584), (1632, 17316), (1664, 16983), (1728, 16354), (1768, 15984), (1776, 15912), (1836, 15392), (1872, 15096), (1887, 14976), (1924, 14688), (1989, 14208), (1998, 14144), (2176, 12987), (2368, 11934), (2448, 11544), (2496, 11322), (2516, 11232), (2652, 10656), (2664, 10608), (2808, 10064), (2886, 9792), (3264, 8658), (3456, 8177), (3536, 7992), (3552, 7956), (3672, 7696), (3744, 7548), (3774, 7488), (3848, 7344), (3978, 7104), (3996, 7072), (4329, 6528), (4736, 5967), (4896, 5772), (4992, 5661), (5032, 5616), (5304, 5328)]