82644625

素因数分解:

$5^3\times 7^2\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 122069376

約数和(自身を除く): 39424751

約数列:

[1, 5, 7, 25, 35, 49, 103, 125, 131, 175, 245, 515, 655, 721, 875, 917, 1225, 2575, 3275, 3605, 4585, 5047, 6125, 6419, 12875, 13493, 16375, 18025, 22925, 25235, 32095, 67465, 90125, 94451, 114625, 126175, 160475, 337325, 472255, 630875, 661157, 802375, 1686625, 2361275, 3305785, 11806375, 16528925, 82644625]

約数ペア:

[(1, 82644625), (5, 16528925), (7, 11806375), (25, 3305785), (35, 2361275), (49, 1686625), (103, 802375), (125, 661157), (131, 630875), (175, 472255), (245, 337325), (515, 160475), (655, 126175), (721, 114625), (875, 94451), (917, 90125), (1225, 67465), (2575, 32095), (3275, 25235), (3605, 22925), (4585, 18025), (5047, 16375), (6125, 13493), (6419, 12875)]