139500215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1\times {\mathrm{1999}}^1$

素因数の和:2842

約数の個数: 16

約数和(自身を含む): 177552000

約数和(自身を除く): 38051785

約数列:

[1, 5, 17, 85, 821, 1999, 4105, 9995, 13957, 33983, 69785, 169915, 1641179, 8205895, 27900043, 139500215]

約数ペア:

[(1, 139500215), (5, 27900043), (17, 8205895), (85, 1641179), (821, 169915), (1999, 69785), (4105, 33983), (9995, 13957)]