90647765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2531}}^1$

素因数の和:2597

約数の個数: 32

約数和(自身を含む): 127612800

約数和(自身を除く): 36965035

約数列:

[1, 5, 13, 19, 29, 65, 95, 145, 247, 377, 551, 1235, 1885, 2531, 2755, 7163, 12655, 32903, 35815, 48089, 73399, 164515, 240445, 366995, 625157, 954187, 1394581, 3125785, 4770935, 6972905, 18129553, 90647765]

約数ペア:

[(1, 90647765), (5, 18129553), (13, 6972905), (19, 4770935), (29, 3125785), (65, 1394581), (95, 954187), (145, 625157), (247, 366995), (377, 240445), (551, 164515), (1235, 73399), (1885, 48089), (2531, 35815), (2755, 32903), (7163, 12655)]