890496856

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{283}}^1\times {\mathrm{1361}}^1$

素因数の和:1684

約数の個数: 48

約数和(自身を含む): 1781250840

約数和(自身を除く): 890753984

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 283, 289, 566, 578, 1132, 1156, 1361, 2264, 2312, 2722, 4811, 5444, 9622, 10888, 19244, 23137, 38488, 46274, 81787, 92548, 163574, 185096, 327148, 385163, 393329, 654296, 770326, 786658, 1540652, 1573316, 3081304, 3146632, 6547771, 13095542, 26191084, 52382168, 111312107, 222624214, 445248428, 890496856]

約数ペア:

[(1, 890496856), (2, 445248428), (4, 222624214), (8, 111312107), (17, 52382168), (34, 26191084), (68, 13095542), (136, 6547771), (283, 3146632), (289, 3081304), (566, 1573316), (578, 1540652), (1132, 786658), (1156, 770326), (1361, 654296), (2264, 393329), (2312, 385163), (2722, 327148), (4811, 185096), (5444, 163574), (9622, 92548), (10888, 81787), (19244, 46274), (23137, 38488)]