71764021

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{2293}}^1$

素因数の和:2580

約数の個数: 16

約数和(自身を含む): 87208704

約数和(自身を除く): 15444683

約数列:

[1, 7, 17, 119, 263, 1841, 2293, 4471, 16051, 31297, 38981, 272867, 603059, 4221413, 10252003, 71764021]

約数ペア:

[(1, 71764021), (7, 10252003), (17, 4221413), (119, 603059), (263, 272867), (1841, 38981), (2293, 31297), (4471, 16051)]