81425708

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223697}}^1$

素因数の和:223721

約数の個数: 24

約数和(自身を含む): 175379232

約数和(自身を除く): 93953524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 223697, 447394, 894788, 1565879, 2908061, 3131758, 5816122, 6263516, 11632244, 20356427, 40712854, 81425708]

約数ペア:

[(1, 81425708), (2, 40712854), (4, 20356427), (7, 11632244), (13, 6263516), (14, 5816122), (26, 3131758), (28, 2908061), (52, 1565879), (91, 894788), (182, 447394), (364, 223697)]