81360604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{22037}}^1$

素因数の和:22125

約数の個数: 24

約数和(自身を含む): 155500128

約数和(自身を除く): 74139524

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 22037, 44074, 88148, 286481, 572962, 1145924, 1564627, 3129254, 6258508, 20340151, 40680302, 81360604]

約数ペア:

[(1, 81360604), (2, 40680302), (4, 20340151), (13, 6258508), (26, 3129254), (52, 1564627), (71, 1145924), (142, 572962), (284, 286481), (923, 88148), (1846, 44074), (3692, 22037)]