251111196

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1789}}^1$

素因数の和:2363

約数の個数: 72

約数和(自身を含む): 727140960

約数和(自身を除く): 476029764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 557, 1114, 1671, 1789, 2228, 3342, 3578, 3899, 5013, 5367, 6684, 7156, 7798, 10026, 10734, 11697, 12523, 15596, 16101, 20052, 21468, 23394, 25046, 32202, 35091, 37569, 46788, 50092, 64404, 70182, 75138, 112707, 140364, 150276, 225414, 450828, 996473, 1992946, 2989419, 3985892, 5978838, 6975311, 8968257, 11957676, 13950622, 17936514, 20925933, 27901244, 35873028, 41851866, 62777799, 83703732, 125555598, 251111196]

約数ペア:

[(1, 251111196), (2, 125555598), (3, 83703732), (4, 62777799), (6, 41851866), (7, 35873028), (9, 27901244), (12, 20925933), (14, 17936514), (18, 13950622), (21, 11957676), (28, 8968257), (36, 6975311), (42, 5978838), (63, 3985892), (84, 2989419), (126, 1992946), (252, 996473), (557, 450828), (1114, 225414), (1671, 150276), (1789, 140364), (2228, 112707), (3342, 75138), (3578, 70182), (3899, 64404), (5013, 50092), (5367, 46788), (6684, 37569), (7156, 35091), (7798, 32202), (10026, 25046), (10734, 23394), (11697, 21468), (12523, 20052), (15596, 16101)]