222042457

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{8443}}^1$

素因数の和:8497

約数の個数: 24

約数和(自身を含む): 290338496

約数和(自身を除く): 68296039

約数列:

[1, 7, 13, 17, 91, 119, 221, 289, 1547, 2023, 3757, 8443, 26299, 59101, 109759, 143531, 768313, 1004717, 1865903, 2440027, 13061321, 17080189, 31720351, 222042457]

約数ペア:

[(1, 222042457), (7, 31720351), (13, 17080189), (17, 13061321), (91, 2440027), (119, 1865903), (221, 1004717), (289, 768313), (1547, 143531), (2023, 109759), (3757, 59101), (8443, 26299)]