643872242

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2909}}^1\times {\mathrm{8513}}^1$

素因数の和:11437

約数の個数: 16

約数和(自身を含む): 1040581080

約数和(自身を除く): 396708838

約数列:

[1, 2, 13, 26, 2909, 5818, 8513, 17026, 37817, 75634, 110669, 221338, 24764317, 49528634, 321936121, 643872242]

約数ペア:

[(1, 643872242), (2, 321936121), (13, 49528634), (26, 24764317), (2909, 221338), (5818, 110669), (8513, 75634), (17026, 37817)]