87431708

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{240197}}^1$

素因数の和:240221

約数の個数: 24

約数和(自身を含む): 188315232

約数和(自身を除く): 100883524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 240197, 480394, 960788, 1681379, 3122561, 3362758, 6245122, 6725516, 12490244, 21857927, 43715854, 87431708]

約数ペア:

[(1, 87431708), (2, 43715854), (4, 21857927), (7, 12490244), (13, 6725516), (14, 6245122), (26, 3362758), (28, 3122561), (52, 1681379), (91, 960788), (182, 480394), (364, 240197)]