247778188

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{433}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 503967744

約数和(自身を除く): 256189556

約数列:

[1, 2, 4, 7, 14, 28, 107, 191, 214, 382, 428, 433, 749, 764, 866, 1337, 1498, 1732, 2674, 2996, 3031, 5348, 6062, 12124, 20437, 40874, 46331, 81748, 82703, 92662, 143059, 165406, 185324, 286118, 324317, 330812, 572236, 578921, 648634, 1157842, 1297268, 2315684, 8849221, 17698442, 35396884, 61944547, 123889094, 247778188]

約数ペア:

[(1, 247778188), (2, 123889094), (4, 61944547), (7, 35396884), (14, 17698442), (28, 8849221), (107, 2315684), (191, 1297268), (214, 1157842), (382, 648634), (428, 578921), (433, 572236), (749, 330812), (764, 324317), (866, 286118), (1337, 185324), (1498, 165406), (1732, 143059), (2674, 92662), (2996, 82703), (3031, 81748), (5348, 46331), (6062, 40874), (12124, 20437)]