28508256

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:281

約数の個数: 144

約数和(自身を含む): 94348800

約数和(自身を除く): 65840544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 79, 84, 96, 112, 126, 144, 158, 168, 179, 224, 237, 252, 288, 316, 336, 358, 474, 504, 537, 553, 632, 672, 711, 716, 948, 1008, 1074, 1106, 1253, 1264, 1422, 1432, 1611, 1659, 1896, 2016, 2148, 2212, 2506, 2528, 2844, 2864, 3222, 3318, 3759, 3792, 4296, 4424, 4977, 5012, 5688, 5728, 6444, 6636, 7518, 7584, 8592, 8848, 9954, 10024, 11277, 11376, 12888, 13272, 14141, 15036, 17184, 17696, 19908, 20048, 22554, 22752, 25776, 26544, 28282, 30072, 39816, 40096, 42423, 45108, 51552, 53088, 56564, 60144, 79632, 84846, 90216, 98987, 113128, 120288, 127269, 159264, 169692, 180432, 197974, 226256, 254538, 296961, 339384, 360864, 395948, 452512, 509076, 593922, 678768, 791896, 890883, 1018152, 1187844, 1357536, 1583792, 1781766, 2036304, 2375688, 3167584, 3563532, 4072608, 4751376, 7127064, 9502752, 14254128, 28508256]

約数ペア:

[(1, 28508256), (2, 14254128), (3, 9502752), (4, 7127064), (6, 4751376), (7, 4072608), (8, 3563532), (9, 3167584), (12, 2375688), (14, 2036304), (16, 1781766), (18, 1583792), (21, 1357536), (24, 1187844), (28, 1018152), (32, 890883), (36, 791896), (42, 678768), (48, 593922), (56, 509076), (63, 452512), (72, 395948), (79, 360864), (84, 339384), (96, 296961), (112, 254538), (126, 226256), (144, 197974), (158, 180432), (168, 169692), (179, 159264), (224, 127269), (237, 120288), (252, 113128), (288, 98987), (316, 90216), (336, 84846), (358, 79632), (474, 60144), (504, 56564), (537, 53088), (553, 51552), (632, 45108), (672, 42423), (711, 40096), (716, 39816), (948, 30072), (1008, 28282), (1074, 26544), (1106, 25776), (1253, 22752), (1264, 22554), (1422, 20048), (1432, 19908), (1611, 17696), (1659, 17184), (1896, 15036), (2016, 14141), (2148, 13272), (2212, 12888), (2506, 11376), (2528, 11277), (2844, 10024), (2864, 9954), (3222, 8848), (3318, 8592), (3759, 7584), (3792, 7518), (4296, 6636), (4424, 6444), (4977, 5728), (5012, 5688)]