2011904778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{109}}^2\times {\mathrm{167}}^1$

素因数の和:416

約数の個数: 72

約数和(自身を含む): 4423815648

約数和(自身を除く): 2411910870

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 167, 169, 218, 327, 334, 338, 501, 507, 654, 1002, 1014, 1417, 2171, 2834, 4251, 4342, 6513, 8502, 11881, 13026, 18203, 18421, 23762, 28223, 35643, 36406, 36842, 54609, 55263, 56446, 71286, 84669, 109218, 110526, 154453, 169338, 236639, 308906, 463359, 473278, 709917, 926718, 1419834, 1984127, 2007889, 3076307, 3968254, 4015778, 5952381, 6023667, 6152614, 9228921, 11904762, 12047334, 18457842, 25793651, 51587302, 77380953, 154761906, 335317463, 670634926, 1005952389, 2011904778]

約数ペア:

[(1, 2011904778), (2, 1005952389), (3, 670634926), (6, 335317463), (13, 154761906), (26, 77380953), (39, 51587302), (78, 25793651), (109, 18457842), (167, 12047334), (169, 11904762), (218, 9228921), (327, 6152614), (334, 6023667), (338, 5952381), (501, 4015778), (507, 3968254), (654, 3076307), (1002, 2007889), (1014, 1984127), (1417, 1419834), (2171, 926718), (2834, 709917), (4251, 473278), (4342, 463359), (6513, 308906), (8502, 236639), (11881, 169338), (13026, 154453), (18203, 110526), (18421, 109218), (23762, 84669), (28223, 71286), (35643, 56446), (36406, 55263), (36842, 54609)]