71521009

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{733}}^1$

素因数の和:1056

約数の個数: 16

約数和(自身を含む): 83711232

約数和(自身を除く): 12190223

約数列:

[1, 7, 53, 263, 371, 733, 1841, 5131, 13939, 38849, 97573, 192779, 271943, 1349453, 10217287, 71521009]

約数ペア:

[(1, 71521009), (7, 10217287), (53, 1349453), (263, 271943), (371, 192779), (733, 97573), (1841, 38849), (5131, 13939)]