138889157

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{401}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 162896832

約数和(自身を除く): 24007675

約数列:

[1, 11, 23, 37, 253, 401, 407, 851, 1369, 4411, 9223, 9361, 14837, 15059, 31487, 101453, 163207, 341251, 346357, 548969, 3753761, 6038659, 12626287, 138889157]

約数ペア:

[(1, 138889157), (11, 12626287), (23, 6038659), (37, 3753761), (253, 548969), (401, 346357), (407, 341251), (851, 163207), (1369, 101453), (4411, 31487), (9223, 15059), (9361, 14837)]