1285697728

素因数分解:

$2^6\times 7^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:474

約数の個数: 112

約数和(自身を含む): 2981309760

約数和(自身を除く): 1695612032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 109, 112, 113, 218, 224, 226, 233, 436, 448, 452, 466, 763, 791, 872, 904, 932, 1526, 1582, 1631, 1744, 1808, 1864, 3052, 3164, 3262, 3488, 3616, 3728, 6104, 6328, 6524, 6976, 7232, 7456, 12208, 12317, 12656, 13048, 14912, 24416, 24634, 25312, 25397, 26096, 26329, 48832, 49268, 50624, 50794, 52192, 52658, 86219, 98536, 101588, 104384, 105316, 172438, 177779, 184303, 197072, 203176, 210632, 344876, 355558, 368606, 394144, 406352, 421264, 689752, 711116, 737212, 788288, 812704, 842528, 1379504, 1422232, 1474424, 1625408, 1685056, 2759008, 2844464, 2869861, 2948848, 5518016, 5688928, 5739722, 5897696, 11377856, 11479444, 11795392, 20089027, 22958888, 40178054, 45917776, 80356108, 91835552, 160712216, 183671104, 321424432, 642848864, 1285697728]

約数ペア:

[(1, 1285697728), (2, 642848864), (4, 321424432), (7, 183671104), (8, 160712216), (14, 91835552), (16, 80356108), (28, 45917776), (32, 40178054), (56, 22958888), (64, 20089027), (109, 11795392), (112, 11479444), (113, 11377856), (218, 5897696), (224, 5739722), (226, 5688928), (233, 5518016), (436, 2948848), (448, 2869861), (452, 2844464), (466, 2759008), (763, 1685056), (791, 1625408), (872, 1474424), (904, 1422232), (932, 1379504), (1526, 842528), (1582, 812704), (1631, 788288), (1744, 737212), (1808, 711116), (1864, 689752), (3052, 421264), (3164, 406352), (3262, 394144), (3488, 368606), (3616, 355558), (3728, 344876), (6104, 210632), (6328, 203176), (6524, 197072), (6976, 184303), (7232, 177779), (7456, 172438), (12208, 105316), (12317, 104384), (12656, 101588), (13048, 98536), (14912, 86219), (24416, 52658), (24634, 52192), (25312, 50794), (25397, 50624), (26096, 49268), (26329, 48832)]