221088161

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{16139}}^1$

素因数の和:16268

約数の個数: 16

約数和(自身を含む): 268569600

約数和(自身を除く): 47481439

約数列:

[1, 7, 19, 103, 133, 721, 1957, 13699, 16139, 112973, 306641, 1662317, 2146487, 11636219, 31584023, 221088161]

約数ペア:

[(1, 221088161), (7, 31584023), (19, 11636219), (103, 2146487), (133, 1662317), (721, 306641), (1957, 112973), (13699, 16139)]