129400187905

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{1091}}^1\times {\mathrm{817979}}^1$

素因数の和:819104

約数の個数: 16

約数和(自身を含む): 160782148800

約数和(自身を除く): 31381960895

約数列:

[1, 5, 29, 145, 1091, 5455, 31639, 158195, 817979, 4089895, 23721391, 118606955, 892415089, 4462075445, 25880037581, 129400187905]

約数ペア:

[(1, 129400187905), (5, 25880037581), (29, 4462075445), (145, 892415089), (1091, 118606955), (5455, 23721391), (31639, 4089895), (158195, 817979)]