90000002477

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{18701}}^1\times {\mathrm{62501}}^1$

素因数の和:81220

約数の個数: 16

約数和(自身を含む): 112215590784

約数和(自身を除く): 22215588307

約数列:

[1, 7, 11, 77, 18701, 62501, 130907, 205711, 437507, 687511, 1439977, 4812577, 1168831201, 8181818407, 12857143211, 90000002477]

約数ペア:

[(1, 90000002477), (7, 12857143211), (11, 8181818407), (77, 1168831201), (18701, 4812577), (62501, 1439977), (130907, 687511), (205711, 437507)]