221707910

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{540751}}^1$

素因数の和:540799

約数の個数: 16

約数和(自身を含む): 408808512

約数和(自身を除く): 187100602

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 540751, 1081502, 2703755, 5407510, 22170791, 44341582, 110853955, 221707910]

約数ペア:

[(1, 221707910), (2, 110853955), (5, 44341582), (10, 22170791), (41, 5407510), (82, 2703755), (205, 1081502), (410, 540751)]