81274895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{1523}}^1$

素因数の和:2362

約数の個数: 16

約数和(自身を含む): 105229152

約数和(自身を除く): 23954257

約数列:

[1, 5, 13, 65, 821, 1523, 4105, 7615, 10673, 19799, 53365, 98995, 1250383, 6251915, 16254979, 81274895]

約数ペア:

[(1, 81274895), (5, 16254979), (13, 6251915), (65, 1250383), (821, 98995), (1523, 53365), (4105, 19799), (7615, 10673)]