256189872

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{124123}}^1$

素因数の和:124177

約数の個数: 40

約数和(自身を含む): 677220544

約数和(自身を除く): 421030672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 124123, 248246, 372369, 496492, 744738, 992984, 1489476, 1985968, 2978952, 5337289, 5957904, 10674578, 16011867, 21349156, 32023734, 42698312, 64047468, 85396624, 128094936, 256189872]

約数ペア:

[(1, 256189872), (2, 128094936), (3, 85396624), (4, 64047468), (6, 42698312), (8, 32023734), (12, 21349156), (16, 16011867), (24, 10674578), (43, 5957904), (48, 5337289), (86, 2978952), (129, 1985968), (172, 1489476), (258, 992984), (344, 744738), (516, 496492), (688, 372369), (1032, 248246), (2064, 124123)]