51258996

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2061

約数の個数: 72

約数和(自身を含む): 139636224

約数和(自身を除く): 88377228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 46, 62, 69, 92, 93, 124, 138, 186, 207, 276, 279, 372, 414, 558, 713, 828, 1116, 1426, 1997, 2139, 2852, 3994, 4278, 5991, 6417, 7988, 8556, 11982, 12834, 17973, 23964, 25668, 35946, 45931, 61907, 71892, 91862, 123814, 137793, 183724, 185721, 247628, 275586, 371442, 413379, 551172, 557163, 742884, 826758, 1114326, 1423861, 1653516, 2228652, 2847722, 4271583, 5695444, 8543166, 12814749, 17086332, 25629498, 51258996]

約数ペア:

[(1, 51258996), (2, 25629498), (3, 17086332), (4, 12814749), (6, 8543166), (9, 5695444), (12, 4271583), (18, 2847722), (23, 2228652), (31, 1653516), (36, 1423861), (46, 1114326), (62, 826758), (69, 742884), (92, 557163), (93, 551172), (124, 413379), (138, 371442), (186, 275586), (207, 247628), (276, 185721), (279, 183724), (372, 137793), (414, 123814), (558, 91862), (713, 71892), (828, 61907), (1116, 45931), (1426, 35946), (1997, 25668), (2139, 23964), (2852, 17973), (3994, 12834), (4278, 11982), (5991, 8556), (6417, 7988)]