19971177121

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{2383}}^1\times {\mathrm{29201}}^1$

素因数の和:31632

約数の個数: 16

約数和(自身を含む): 23391502848

約数和(自身を除く): 3420325727

約数列:

[1, 7, 41, 287, 2383, 16681, 29201, 97703, 204407, 683921, 1197241, 8380687, 69585983, 487101881, 2853025303, 19971177121]

約数ペア:

[(1, 19971177121), (7, 2853025303), (41, 487101881), (287, 69585983), (2383, 8380687), (16681, 1197241), (29201, 683921), (97703, 204407)]