25620728

素因数分解:

$2^3\times 7^3\times {\mathrm{9337}}^1$

素因数の和:9364

約数の個数: 32

約数和(自身を含む): 56028000

約数和(自身を除く): 30407272

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 9337, 18674, 37348, 65359, 74696, 130718, 261436, 457513, 522872, 915026, 1830052, 3202591, 3660104, 6405182, 12810364, 25620728]

約数ペア:

[(1, 25620728), (2, 12810364), (4, 6405182), (7, 3660104), (8, 3202591), (14, 1830052), (28, 915026), (49, 522872), (56, 457513), (98, 261436), (196, 130718), (343, 74696), (392, 65359), (686, 37348), (1372, 18674), (2744, 9337)]