1290106048

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{261791}}^1$

素因数の和:261821

約数の個数: 56

約数和(自身を含む): 3191768064

約数和(自身を除く): 1901662016

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 154, 176, 224, 308, 352, 448, 616, 704, 1232, 2464, 4928, 261791, 523582, 1047164, 1832537, 2094328, 2879701, 3665074, 4188656, 5759402, 7330148, 8377312, 11518804, 14660296, 16754624, 20157907, 23037608, 29320592, 40315814, 46075216, 58641184, 80631628, 92150432, 117282368, 161263256, 184300864, 322526512, 645053024, 1290106048]

約数ペア:

[(1, 1290106048), (2, 645053024), (4, 322526512), (7, 184300864), (8, 161263256), (11, 117282368), (14, 92150432), (16, 80631628), (22, 58641184), (28, 46075216), (32, 40315814), (44, 29320592), (56, 23037608), (64, 20157907), (77, 16754624), (88, 14660296), (112, 11518804), (154, 8377312), (176, 7330148), (224, 5759402), (308, 4188656), (352, 3665074), (448, 2879701), (616, 2094328), (704, 1832537), (1232, 1047164), (2464, 523582), (4928, 261791)]