221246155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{72421}}^1$

素因数の和:72486

約数の個数: 16

約数和(自身を含む): 292005504

約数和(自身を除く): 70759349

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 72421, 362105, 941473, 3403787, 4707365, 17018935, 44249231, 221246155]

約数ペア:

[(1, 221246155), (5, 44249231), (13, 17018935), (47, 4707365), (65, 3403787), (235, 941473), (611, 362105), (3055, 72421)]