163628072

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{20681}}^1$

素因数の和:20753

約数の個数: 32

約数和(自身を含む): 327602880

約数和(自身を除く): 163974808

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 3956, 7912, 20681, 41362, 82724, 165448, 475663, 889283, 951326, 1778566, 1902652, 3557132, 3805304, 7114264, 20453509, 40907018, 81814036, 163628072]

約数ペア:

[(1, 163628072), (2, 81814036), (4, 40907018), (8, 20453509), (23, 7114264), (43, 3805304), (46, 3557132), (86, 1902652), (92, 1778566), (172, 951326), (184, 889283), (344, 475663), (989, 165448), (1978, 82724), (3956, 41362), (7912, 20681)]