15957994

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1523}}^1$

素因数の和:1582

約数の個数: 24

約数和(自身を含む): 26773632

約数和(自身を除く): 10815638

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 1523, 3046, 5239, 10478, 19799, 39598, 47213, 94426, 257387, 514774, 613769, 1227538, 7978997, 15957994]

約数ペア:

[(1, 15957994), (2, 7978997), (13, 1227538), (26, 613769), (31, 514774), (62, 257387), (169, 94426), (338, 47213), (403, 39598), (806, 19799), (1523, 10478), (3046, 5239)]