643670048

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:275

約数の個数: 144

約数和(自身を含む): 1573274304

約数和(自身を除く): 929604256

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 61, 68, 112, 119, 122, 136, 163, 224, 238, 244, 272, 289, 326, 427, 476, 488, 544, 578, 652, 854, 952, 976, 1037, 1141, 1156, 1304, 1708, 1904, 1952, 2023, 2074, 2282, 2312, 2608, 2771, 3416, 3808, 4046, 4148, 4564, 4624, 5216, 5542, 6832, 7259, 8092, 8296, 9128, 9248, 9943, 11084, 13664, 14518, 16184, 16592, 17629, 18256, 19397, 19886, 22168, 29036, 32368, 33184, 35258, 36512, 38794, 39772, 44336, 47107, 58072, 64736, 69601, 70516, 77588, 79544, 88672, 94214, 116144, 123403, 139202, 141032, 155176, 159088, 169031, 188428, 232288, 246806, 278404, 282064, 310352, 318176, 329749, 338062, 376856, 493612, 556808, 564128, 620704, 659498, 676124, 753712, 987224, 1113616, 1183217, 1318996, 1352248, 1507424, 1974448, 2227232, 2366434, 2637992, 2704496, 2873527, 3948896, 4732868, 5275984, 5408992, 5747054, 9465736, 10551968, 11494108, 18931472, 20114689, 22988216, 37862944, 40229378, 45976432, 80458756, 91952864, 160917512, 321835024, 643670048]

約数ペア:

[(1, 643670048), (2, 321835024), (4, 160917512), (7, 91952864), (8, 80458756), (14, 45976432), (16, 40229378), (17, 37862944), (28, 22988216), (32, 20114689), (34, 18931472), (56, 11494108), (61, 10551968), (68, 9465736), (112, 5747054), (119, 5408992), (122, 5275984), (136, 4732868), (163, 3948896), (224, 2873527), (238, 2704496), (244, 2637992), (272, 2366434), (289, 2227232), (326, 1974448), (427, 1507424), (476, 1352248), (488, 1318996), (544, 1183217), (578, 1113616), (652, 987224), (854, 753712), (952, 676124), (976, 659498), (1037, 620704), (1141, 564128), (1156, 556808), (1304, 493612), (1708, 376856), (1904, 338062), (1952, 329749), (2023, 318176), (2074, 310352), (2282, 282064), (2312, 278404), (2608, 246806), (2771, 232288), (3416, 188428), (3808, 169031), (4046, 159088), (4148, 155176), (4564, 141032), (4624, 139202), (5216, 123403), (5542, 116144), (6832, 94214), (7259, 88672), (8092, 79544), (8296, 77588), (9128, 70516), (9248, 69601), (9943, 64736), (11084, 58072), (13664, 47107), (14518, 44336), (16184, 39772), (16592, 38794), (17629, 36512), (18256, 35258), (19397, 33184), (19886, 32368), (22168, 29036)]