25171112

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 48216000

約数和(自身を除く): 23044888

約数列:

[1, 2, 4, 8, 97, 163, 194, 199, 326, 388, 398, 652, 776, 796, 1304, 1592, 15811, 19303, 31622, 32437, 38606, 63244, 64874, 77212, 126488, 129748, 154424, 259496, 3146389, 6292778, 12585556, 25171112]

約数ペア:

[(1, 25171112), (2, 12585556), (4, 6292778), (8, 3146389), (97, 259496), (163, 154424), (194, 129748), (199, 126488), (326, 77212), (388, 64874), (398, 63244), (652, 38606), (776, 32437), (796, 31622), (1304, 19303), (1592, 15811)]