4047875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 32

約数和(自身を含む): 5660928

約数和(自身を除く): 1613053

約数列:

[1, 5, 13, 25, 47, 53, 65, 125, 235, 265, 325, 611, 689, 1175, 1325, 1625, 2491, 3055, 3445, 5875, 6625, 12455, 15275, 17225, 32383, 62275, 76375, 86125, 161915, 311375, 809575, 4047875]

約数ペア:

[(1, 4047875), (5, 809575), (13, 311375), (25, 161915), (47, 86125), (53, 76375), (65, 62275), (125, 32383), (235, 17225), (265, 15275), (325, 12455), (611, 6625), (689, 5875), (1175, 3445), (1325, 3055), (1625, 2491)]