399833536

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2551}}^1$

素因数の和:2673

約数の個数: 56

約数和(自身を含む): 829706240

約数和(自身を除く): 429872704

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 124, 158, 248, 316, 496, 632, 992, 1264, 1984, 2449, 2528, 2551, 4898, 5056, 5102, 9796, 10204, 19592, 20408, 39184, 40816, 78368, 79081, 81632, 156736, 158162, 163264, 201529, 316324, 403058, 632648, 806116, 1265296, 1612232, 2530592, 3224464, 5061184, 6247399, 6448928, 12494798, 12897856, 24989596, 49979192, 99958384, 199916768, 399833536]

約数ペア:

[(1, 399833536), (2, 199916768), (4, 99958384), (8, 49979192), (16, 24989596), (31, 12897856), (32, 12494798), (62, 6448928), (64, 6247399), (79, 5061184), (124, 3224464), (158, 2530592), (248, 1612232), (316, 1265296), (496, 806116), (632, 632648), (992, 403058), (1264, 316324), (1984, 201529), (2449, 163264), (2528, 158162), (2551, 156736), (4898, 81632), (5056, 79081), (5102, 78368), (9796, 40816), (10204, 39184), (19592, 20408)]