1291230265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{967}}^1\times {\mathrm{20543}}^1$

素因数の和:21528

約数の個数: 16

約数和(自身を含む): 1670473728

約数和(自身を除く): 379243463

約数列:

[1, 5, 13, 65, 967, 4835, 12571, 20543, 62855, 102715, 267059, 1335295, 19865081, 99325405, 258246053, 1291230265]

約数ペア:

[(1, 1291230265), (5, 258246053), (13, 99325405), (65, 19865081), (967, 1335295), (4835, 267059), (12571, 102715), (20543, 62855)]