305840912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{881}}^1\times {\mathrm{1669}}^1$

素因数の和:2571

約数の個数: 40

約数和(自身を含む): 639255960

約数和(自身を除く): 333415048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 881, 1669, 1762, 3338, 3524, 6676, 7048, 11453, 13352, 14096, 21697, 22906, 26704, 43394, 45812, 86788, 91624, 173576, 183248, 347152, 1470389, 2940778, 5881556, 11763112, 19115057, 23526224, 38230114, 76460228, 152920456, 305840912]

約数ペア:

[(1, 305840912), (2, 152920456), (4, 76460228), (8, 38230114), (13, 23526224), (16, 19115057), (26, 11763112), (52, 5881556), (104, 2940778), (208, 1470389), (881, 347152), (1669, 183248), (1762, 173576), (3338, 91624), (3524, 86788), (6676, 45812), (7048, 43394), (11453, 26704), (13352, 22906), (14096, 21697)]