221301908

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{12739}}^1$

素因数の和:12887

約数の個数: 24

約数和(自身を含む): 400239840

約数和(自身を除く): 178937932

約数列:

[1, 2, 4, 43, 86, 101, 172, 202, 404, 4343, 8686, 12739, 17372, 25478, 50956, 547777, 1095554, 1286639, 2191108, 2573278, 5146556, 55325477, 110650954, 221301908]

約数ペア:

[(1, 221301908), (2, 110650954), (4, 55325477), (43, 5146556), (86, 2573278), (101, 2191108), (172, 1286639), (202, 1095554), (404, 547777), (4343, 50956), (8686, 25478), (12739, 17372)]