78774875

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 105131520

約数和(自身を除く): 26356645

約数列:

[1, 5, 25, 29, 31, 125, 145, 155, 701, 725, 775, 899, 3505, 3625, 3875, 4495, 17525, 20329, 21731, 22475, 87625, 101645, 108655, 112375, 508225, 543275, 630199, 2541125, 2716375, 3150995, 15754975, 78774875]

約数ペア:

[(1, 78774875), (5, 15754975), (25, 3150995), (29, 2716375), (31, 2541125), (125, 630199), (145, 543275), (155, 508225), (701, 112375), (725, 108655), (775, 101645), (899, 87625), (3505, 22475), (3625, 21731), (3875, 20329), (4495, 17525)]