13920715

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:590

約数の個数: 16

約数和(自身を含む): 17192736

約数和(自身を除く): 3272021

約数列:

[1, 5, 53, 131, 265, 401, 655, 2005, 6943, 21253, 34715, 52531, 106265, 262655, 2784143, 13920715]

約数ペア:

[(1, 13920715), (5, 2784143), (53, 262655), (131, 106265), (265, 52531), (401, 34715), (655, 21253), (2005, 6943)]