220121135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{10889}}^1$

素因数の和:11218

約数の個数: 16

約数和(自身を含む): 285405120

約数和(自身を除く): 65283985

約数列:

[1, 5, 13, 65, 311, 1555, 4043, 10889, 20215, 54445, 141557, 707785, 3386479, 16932395, 44024227, 220121135]

約数ペア:

[(1, 220121135), (5, 44024227), (13, 16932395), (65, 3386479), (311, 707785), (1555, 141557), (4043, 54445), (10889, 20215)]