2021637508

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 4001542272

約数和(自身を除く): 1979904764

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 121, 181, 188, 242, 362, 484, 491, 517, 724, 982, 1034, 1964, 1991, 2068, 3982, 5401, 5687, 7964, 8507, 10802, 11374, 17014, 21604, 21901, 22748, 23077, 34028, 43802, 46154, 59411, 87604, 88871, 92308, 93577, 118822, 177742, 187154, 237644, 253847, 355484, 374308, 507694, 977581, 1015388, 1029347, 1955162, 2058694, 2792317, 3910324, 4117388, 4176937, 5584634, 8353874, 10753391, 11169268, 16707748, 21506782, 43013564, 45946307, 91892614, 183785228, 505409377, 1010818754, 2021637508]

約数ペア:

[(1, 2021637508), (2, 1010818754), (4, 505409377), (11, 183785228), (22, 91892614), (44, 45946307), (47, 43013564), (94, 21506782), (121, 16707748), (181, 11169268), (188, 10753391), (242, 8353874), (362, 5584634), (484, 4176937), (491, 4117388), (517, 3910324), (724, 2792317), (982, 2058694), (1034, 1955162), (1964, 1029347), (1991, 1015388), (2068, 977581), (3982, 507694), (5401, 374308), (5687, 355484), (7964, 253847), (8507, 237644), (10802, 187154), (11374, 177742), (17014, 118822), (21604, 93577), (21901, 92308), (22748, 88871), (23077, 87604), (34028, 59411), (43802, 46154)]