491313978

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2311}}^1$

素因数の和:2480

約数の個数: 64

約数和(自身を含む): 1136394240

約数和(自身を除く): 645080262

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 127, 186, 254, 279, 381, 558, 762, 837, 1143, 1674, 2286, 2311, 3429, 3937, 4622, 6858, 6933, 7874, 11811, 13866, 20799, 23622, 35433, 41598, 62397, 70866, 71641, 106299, 124794, 143282, 212598, 214923, 293497, 429846, 586994, 644769, 880491, 1289538, 1760982, 1934307, 2641473, 3868614, 5282946, 7924419, 9098407, 15848838, 18196814, 27295221, 54590442, 81885663, 163771326, 245656989, 491313978]

約数ペア:

[(1, 491313978), (2, 245656989), (3, 163771326), (6, 81885663), (9, 54590442), (18, 27295221), (27, 18196814), (31, 15848838), (54, 9098407), (62, 7924419), (93, 5282946), (127, 3868614), (186, 2641473), (254, 1934307), (279, 1760982), (381, 1289538), (558, 880491), (762, 644769), (837, 586994), (1143, 429846), (1674, 293497), (2286, 214923), (2311, 212598), (3429, 143282), (3937, 124794), (4622, 106299), (6858, 71641), (6933, 70866), (7874, 62397), (11811, 41598), (13866, 35433), (20799, 23622)]