207759812

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{307337}}^1$

素因数の和:307367

約数の個数: 18

約数和(自身を含む): 393699978

約数和(自身を除く): 185940166

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 307337, 614674, 1229348, 3995381, 7990762, 15981524, 51939953, 103879906, 207759812]

約数ペア:

[(1, 207759812), (2, 103879906), (4, 51939953), (13, 15981524), (26, 7990762), (52, 3995381), (169, 1229348), (338, 614674), (676, 307337)]