198057910

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{49391}}^1$

素因数の和:49799

約数の個数: 16

約数和(自身を含む): 357400512

約数和(自身を除く): 159342602

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 49391, 98782, 246955, 493910, 19805791, 39611582, 99028955, 198057910]

約数ペア:

[(1, 198057910), (2, 99028955), (5, 39611582), (10, 19805791), (401, 493910), (802, 246955), (2005, 98782), (4010, 49391)]