1640698405

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{1033}}^1\times {\mathrm{10247}}^1$

素因数の和:11316

約数の個数: 16

約数和(自身を含む): 2034514944

約数和(自身を除く): 393816539

約数列:

[1, 5, 31, 155, 1033, 5165, 10247, 32023, 51235, 160115, 317657, 1588285, 10585151, 52925755, 328139681, 1640698405]

約数ペア:

[(1, 1640698405), (5, 328139681), (31, 52925755), (155, 10585151), (1033, 1588285), (5165, 317657), (10247, 160115), (32023, 51235)]