81318430

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{2161}}^1$

素因数の和:2292

約数の個数: 32

約数和(自身を含む): 151305408

約数和(自身を除く): 69986978

約数列:

[1, 2, 5, 10, 53, 71, 106, 142, 265, 355, 530, 710, 2161, 3763, 4322, 7526, 10805, 18815, 21610, 37630, 114533, 153431, 229066, 306862, 572665, 767155, 1145330, 1534310, 8131843, 16263686, 40659215, 81318430]

約数ペア:

[(1, 81318430), (2, 40659215), (5, 16263686), (10, 8131843), (53, 1534310), (71, 1145330), (106, 767155), (142, 572665), (265, 306862), (355, 229066), (530, 153431), (710, 114533), (2161, 37630), (3763, 21610), (4322, 18815), (7526, 10805)]