220142461

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{947}}^1\times {\mathrm{3019}}^1$

素因数の和:3984

約数の個数: 16

約数和(自身を含む): 274844160

約数和(自身を除く): 54701699

約数列:

[1, 7, 11, 77, 947, 3019, 6629, 10417, 21133, 33209, 72919, 232463, 2858993, 20012951, 31448923, 220142461]

約数ペア:

[(1, 220142461), (7, 31448923), (11, 20012951), (77, 2858993), (947, 232463), (3019, 72919), (6629, 33209), (10417, 21133)]