257749534

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{2351}}^1$

素因数の和:2592

約数の個数: 32

約数和(自身を含む): 455196672

約数和(自身を除く): 197447138

約数列:

[1, 2, 7, 14, 41, 82, 191, 287, 382, 574, 1337, 2351, 2674, 4702, 7831, 15662, 16457, 32914, 54817, 96391, 109634, 192782, 449041, 674737, 898082, 1349474, 3143287, 6286574, 18410681, 36821362, 128874767, 257749534]

約数ペア:

[(1, 257749534), (2, 128874767), (7, 36821362), (14, 18410681), (41, 6286574), (82, 3143287), (191, 1349474), (287, 898082), (382, 674737), (574, 449041), (1337, 192782), (2351, 109634), (2674, 96391), (4702, 54817), (7831, 32914), (15662, 16457)]