221821206832

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{3571}}^1\times {\mathrm{7907}}^1$

素因数の和:11977

約数の個数: 40

約数和(自身を含む): 430828978752

約数和(自身を除く): 209007771920

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 3571, 3928, 7142, 7856, 7907, 14284, 15814, 28568, 31628, 57136, 63256, 126512, 1753361, 3506722, 3882337, 7013444, 7764674, 14026888, 15529348, 28053776, 28235897, 31058696, 56471794, 62117392, 112943588, 225887176, 451774352, 13863825427, 27727650854, 55455301708, 110910603416, 221821206832]

約数ペア:

[(1, 221821206832), (2, 110910603416), (4, 55455301708), (8, 27727650854), (16, 13863825427), (491, 451774352), (982, 225887176), (1964, 112943588), (3571, 62117392), (3928, 56471794), (7142, 31058696), (7856, 28235897), (7907, 28053776), (14284, 15529348), (15814, 14026888), (28568, 7764674), (31628, 7013444), (57136, 3882337), (63256, 3506722), (126512, 1753361)]