81394252

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 154816480

約数和(自身を除く): 73422228

約数列:

[1, 2, 4, 19, 38, 61, 76, 97, 122, 181, 194, 244, 362, 388, 724, 1159, 1843, 2318, 3439, 3686, 4636, 5917, 6878, 7372, 11041, 11834, 13756, 17557, 22082, 23668, 35114, 44164, 70228, 112423, 209779, 224846, 333583, 419558, 449692, 667166, 839116, 1070977, 1334332, 2141954, 4283908, 20348563, 40697126, 81394252]

約数ペア:

[(1, 81394252), (2, 40697126), (4, 20348563), (19, 4283908), (38, 2141954), (61, 1334332), (76, 1070977), (97, 839116), (122, 667166), (181, 449692), (194, 419558), (244, 333583), (362, 224846), (388, 209779), (724, 112423), (1159, 70228), (1843, 44164), (2318, 35114), (3439, 23668), (3686, 22082), (4636, 17557), (5917, 13756), (6878, 11834), (7372, 11041)]