771875

素因数分解:

$5^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:57

約数の個数: 24

約数和(自身を含む): 1093680

約数和(自身を除く): 321805

約数列:

[1, 5, 13, 19, 25, 65, 95, 125, 247, 325, 475, 625, 1235, 1625, 2375, 3125, 6175, 8125, 11875, 30875, 40625, 59375, 154375, 771875]

約数ペア:

[(1, 771875), (5, 154375), (13, 59375), (19, 40625), (25, 30875), (65, 11875), (95, 8125), (125, 6175), (247, 3125), (325, 2375), (475, 1625), (625, 1235)]