79890905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{2789}}^1$

素因数の和:3148

約数の個数: 16

約数和(自身を含む): 101846160

約数和(自身を除く): 21955255

約数列:

[1, 5, 17, 85, 337, 1685, 2789, 5729, 13945, 28645, 47413, 237065, 939893, 4699465, 15978181, 79890905]

約数ペア:

[(1, 79890905), (5, 15978181), (17, 4699465), (85, 939893), (337, 237065), (1685, 47413), (2789, 28645), (5729, 13945)]