644738653

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{32693}}^1$

素因数の和:32784

約数の個数: 16

約数和(自身を含む): 730514736

約数和(自身を除く): 85776083

約数列:

[1, 13, 37, 41, 481, 533, 1517, 19721, 32693, 425009, 1209641, 1340413, 15725333, 17425369, 49595281, 644738653]

約数ペア:

[(1, 644738653), (13, 49595281), (37, 17425369), (41, 15725333), (481, 1340413), (533, 1209641), (1517, 425009), (19721, 32693)]