161437775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2281}}^1$

素因数の和:2459

約数の個数: 24

約数和(自身を含む): 212226000

約数和(自身を除く): 50788225

約数列:

[1, 5, 19, 25, 95, 149, 475, 745, 2281, 2831, 3725, 11405, 14155, 43339, 57025, 70775, 216695, 339869, 1083475, 1699345, 6457511, 8496725, 32287555, 161437775]

約数ペア:

[(1, 161437775), (5, 32287555), (19, 8496725), (25, 6457511), (95, 1699345), (149, 1083475), (475, 339869), (745, 216695), (2281, 70775), (2831, 57025), (3725, 43339), (11405, 14155)]