27959632

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{40639}}^1$

素因数の和:40690

約数の個数: 20

約数和(自身を含む): 55432960

約数和(自身を除く): 27473328

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 40639, 81278, 162556, 325112, 650224, 1747477, 3494954, 6989908, 13979816, 27959632]

約数ペア:

[(1, 27959632), (2, 13979816), (4, 6989908), (8, 3494954), (16, 1747477), (43, 650224), (86, 325112), (172, 162556), (344, 81278), (688, 40639)]