89401988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{39983}}^1$

素因数の和:40043

約数の個数: 24

約数和(自身を含む): 172411008

約数和(自身を除く): 83009020

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 39983, 79966, 159932, 519779, 1039558, 1719269, 2079116, 3438538, 6877076, 22350497, 44700994, 89401988]

約数ペア:

[(1, 89401988), (2, 44700994), (4, 22350497), (13, 6877076), (26, 3438538), (43, 2079116), (52, 1719269), (86, 1039558), (172, 519779), (559, 159932), (1118, 79966), (2236, 39983)]