31661244

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 83074992

約数和(自身を除く): 51413748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 113, 129, 172, 181, 226, 258, 339, 362, 387, 452, 516, 543, 678, 724, 774, 1017, 1086, 1356, 1548, 1629, 2034, 2172, 3258, 4068, 4859, 6516, 7783, 9718, 14577, 15566, 19436, 20453, 23349, 29154, 31132, 40906, 43731, 46698, 58308, 61359, 70047, 81812, 87462, 93396, 122718, 140094, 174924, 184077, 245436, 280188, 368154, 736308, 879479, 1758958, 2638437, 3517916, 5276874, 7915311, 10553748, 15830622, 31661244]

約数ペア:

[(1, 31661244), (2, 15830622), (3, 10553748), (4, 7915311), (6, 5276874), (9, 3517916), (12, 2638437), (18, 1758958), (36, 879479), (43, 736308), (86, 368154), (113, 280188), (129, 245436), (172, 184077), (181, 174924), (226, 140094), (258, 122718), (339, 93396), (362, 87462), (387, 81812), (452, 70047), (516, 61359), (543, 58308), (678, 46698), (724, 43731), (774, 40906), (1017, 31132), (1086, 29154), (1356, 23349), (1548, 20453), (1629, 19436), (2034, 15566), (2172, 14577), (3258, 9718), (4068, 7783), (4859, 6516)]