84216625

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 109549440

約数和(自身を除く): 25332815

約数列:

[1, 5, 25, 37, 125, 131, 139, 185, 655, 695, 925, 3275, 3475, 4625, 4847, 5143, 16375, 17375, 18209, 24235, 25715, 91045, 121175, 128575, 455225, 605875, 642875, 673733, 2276125, 3368665, 16843325, 84216625]

約数ペア:

[(1, 84216625), (5, 16843325), (25, 3368665), (37, 2276125), (125, 673733), (131, 642875), (139, 605875), (185, 455225), (655, 128575), (695, 121175), (925, 91045), (3275, 25715), (3475, 24235), (4625, 18209), (4847, 17375), (5143, 16375)]