40212991

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{683}}^1$

素因数の和:1350

約数の個数: 16

約数和(自身を含む): 49641984

約数和(自身を除く): 9428993

約数列:

[1, 7, 13, 91, 647, 683, 4529, 4781, 8411, 8879, 58877, 62153, 441901, 3093307, 5744713, 40212991]

約数ペア:

[(1, 40212991), (7, 5744713), (13, 3093307), (91, 441901), (647, 62153), (683, 58877), (4529, 8879), (4781, 8411)]