81519464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 172368000

約数和(自身を除く): 90848536

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 151, 179, 232, 302, 358, 377, 604, 716, 754, 1208, 1432, 1508, 1963, 2327, 3016, 3926, 4379, 4654, 5191, 7852, 8758, 9308, 10382, 15704, 17516, 18616, 20764, 27029, 35032, 41528, 54058, 56927, 67483, 108116, 113854, 134966, 216232, 227708, 269932, 351377, 455416, 539864, 702754, 783841, 1405508, 1567682, 2811016, 3135364, 6270728, 10189933, 20379866, 40759732, 81519464]

約数ペア:

[(1, 81519464), (2, 40759732), (4, 20379866), (8, 10189933), (13, 6270728), (26, 3135364), (29, 2811016), (52, 1567682), (58, 1405508), (104, 783841), (116, 702754), (151, 539864), (179, 455416), (232, 351377), (302, 269932), (358, 227708), (377, 216232), (604, 134966), (716, 113854), (754, 108116), (1208, 67483), (1432, 56927), (1508, 54058), (1963, 41528), (2327, 35032), (3016, 27029), (3926, 20764), (4379, 18616), (4654, 17516), (5191, 15704), (7852, 10382), (8758, 9308)]