68416225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2053}}^1$

素因数の和:2137

約数の個数: 24

約数和(自身を含む): 89652992

約数和(自身を除く): 21236767

約数列:

[1, 5, 25, 31, 43, 155, 215, 775, 1075, 1333, 2053, 6665, 10265, 33325, 51325, 63643, 88279, 318215, 441395, 1591075, 2206975, 2736649, 13683245, 68416225]

約数ペア:

[(1, 68416225), (5, 13683245), (25, 2736649), (31, 2206975), (43, 1591075), (155, 441395), (215, 318215), (775, 88279), (1075, 63643), (1333, 51325), (2053, 33325), (6665, 10265)]