31416804

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2049

約数の個数: 72

約数和(自身を含む): 87272640

約数和(自身を除く): 55855836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 414, 437, 684, 828, 874, 1311, 1748, 1997, 2622, 3933, 3994, 5244, 5991, 7866, 7988, 11982, 15732, 17973, 23964, 35946, 37943, 45931, 71892, 75886, 91862, 113829, 137793, 151772, 183724, 227658, 275586, 341487, 413379, 455316, 551172, 682974, 826758, 872689, 1365948, 1653516, 1745378, 2618067, 3490756, 5236134, 7854201, 10472268, 15708402, 31416804]

約数ペア:

[(1, 31416804), (2, 15708402), (3, 10472268), (4, 7854201), (6, 5236134), (9, 3490756), (12, 2618067), (18, 1745378), (19, 1653516), (23, 1365948), (36, 872689), (38, 826758), (46, 682974), (57, 551172), (69, 455316), (76, 413379), (92, 341487), (114, 275586), (138, 227658), (171, 183724), (207, 151772), (228, 137793), (276, 113829), (342, 91862), (414, 75886), (437, 71892), (684, 45931), (828, 37943), (874, 35946), (1311, 23964), (1748, 17973), (1997, 15732), (2622, 11982), (3933, 7988), (3994, 7866), (5244, 5991)]