2820419

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:334

約数の個数: 16

約数和(自身を含む): 3457728

約数和(自身を除く): 637309

約数列:

[1, 7, 17, 119, 137, 173, 959, 1211, 2329, 2941, 16303, 20587, 23701, 165907, 402917, 2820419]

約数ペア:

[(1, 2820419), (7, 402917), (17, 165907), (119, 23701), (137, 20587), (173, 16303), (959, 2941), (1211, 2329)]