221256154

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{153437}}^1$

素因数の和:153549

約数の個数: 16

約数和(自身を含む): 382981248

約数和(自身を除く): 161725094

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 153437, 306874, 1074059, 2148118, 15804011, 31608022, 110628077, 221256154]

約数ペア:

[(1, 221256154), (2, 110628077), (7, 31608022), (14, 15804011), (103, 2148118), (206, 1074059), (721, 306874), (1442, 153437)]