71890865

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1\times {\mathrm{821}}^1$

素因数の和:1120

約数の個数: 16

約数和(自身を含む): 87829056

約数和(自身を除く): 15938191

約数列:

[1, 5, 83, 211, 415, 821, 1055, 4105, 17513, 68143, 87565, 173231, 340715, 866155, 14378173, 71890865]

約数ペア:

[(1, 71890865), (5, 14378173), (83, 866155), (211, 340715), (415, 173231), (821, 87565), (1055, 68143), (4105, 17513)]