1620808

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 3519360

約数和(自身を除く): 1898552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 281, 412, 562, 721, 824, 1124, 1442, 1967, 2248, 2884, 3934, 5768, 7868, 15736, 28943, 57886, 115772, 202601, 231544, 405202, 810404, 1620808]

約数ペア:

[(1, 1620808), (2, 810404), (4, 405202), (7, 231544), (8, 202601), (14, 115772), (28, 57886), (56, 28943), (103, 15736), (206, 7868), (281, 5768), (412, 3934), (562, 2884), (721, 2248), (824, 1967), (1124, 1442)]