328926715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{20161}}^1$

素因数の和:20430

約数の個数: 16

約数和(自身を含む): 426789216

約数和(自身を除く): 97862501

約数列:

[1, 5, 13, 65, 251, 1255, 3263, 16315, 20161, 100805, 262093, 1310465, 5060411, 25302055, 65785343, 328926715]

約数ペア:

[(1, 328926715), (5, 65785343), (13, 25302055), (65, 5060411), (251, 1310465), (1255, 262093), (3263, 100805), (16315, 20161)]