65721439

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{8243}}^1$

素因数の和:8334

約数の個数: 16

約数和(自身を含む): 80725248

約数和(自身を除く): 15003809

約数列:

[1, 7, 17, 67, 119, 469, 1139, 7973, 8243, 57701, 140131, 552281, 980917, 3865967, 9388777, 65721439]

約数ペア:

[(1, 65721439), (7, 9388777), (17, 3865967), (67, 980917), (119, 552281), (469, 140131), (1139, 57701), (7973, 8243)]