549203980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2112323}}^1$

素因数の和:2112345

約数の個数: 24

約数和(自身を含む): 1242046512

約数和(自身を除く): 692842532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2112323, 4224646, 8449292, 10561615, 21123230, 27460199, 42246460, 54920398, 109840796, 137300995, 274601990, 549203980]

約数ペア:

[(1, 549203980), (2, 274601990), (4, 137300995), (5, 109840796), (10, 54920398), (13, 42246460), (20, 27460199), (26, 21123230), (52, 10561615), (65, 8449292), (130, 4224646), (260, 2112323)]