28005665

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{2039}}^1$

素因数の和:2152

約数の個数: 16

約数和(自身を含む): 34957440

約数和(自身を除く): 6951775

約数列:

[1, 5, 41, 67, 205, 335, 2039, 2747, 10195, 13735, 83599, 136613, 417995, 683065, 5601133, 28005665]

約数ペア:

[(1, 28005665), (5, 5601133), (41, 683065), (67, 417995), (205, 136613), (335, 83599), (2039, 13735), (2747, 10195)]