71386576

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{108821}}^1$

素因数の和:108870

約数の個数: 20

約数和(自身を含む): 141686244

約数和(自身を除く): 70299668

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 108821, 217642, 435284, 870568, 1741136, 4461661, 8923322, 17846644, 35693288, 71386576]

約数ペア:

[(1, 71386576), (2, 35693288), (4, 17846644), (8, 8923322), (16, 4461661), (41, 1741136), (82, 870568), (164, 435284), (328, 217642), (656, 108821)]