64690578

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{709}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 145206360

約数和(自身を除く): 80515782

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 137, 222, 274, 333, 411, 666, 709, 822, 1233, 1418, 2127, 2466, 4254, 5069, 6381, 10138, 12762, 15207, 26233, 30414, 45621, 52466, 78699, 91242, 97133, 157398, 194266, 236097, 291399, 472194, 582798, 874197, 1748394, 3593921, 7187842, 10781763, 21563526, 32345289, 64690578]

約数ペア:

[(1, 64690578), (2, 32345289), (3, 21563526), (6, 10781763), (9, 7187842), (18, 3593921), (37, 1748394), (74, 874197), (111, 582798), (137, 472194), (222, 291399), (274, 236097), (333, 194266), (411, 157398), (666, 97133), (709, 91242), (822, 78699), (1233, 52466), (1418, 45621), (2127, 30414), (2466, 26233), (4254, 15207), (5069, 12762), (6381, 10138)]