220153976

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{170927}}^1$

素因数の和:170963

約数の個数: 32

約数和(自身を含む): 492272640

約数和(自身を除く): 272118664

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 170927, 341854, 683708, 1196489, 1367416, 2392978, 3931321, 4785956, 7862642, 9571912, 15725284, 27519247, 31450568, 55038494, 110076988, 220153976]

約数ペア:

[(1, 220153976), (2, 110076988), (4, 55038494), (7, 31450568), (8, 27519247), (14, 15725284), (23, 9571912), (28, 7862642), (46, 4785956), (56, 3931321), (92, 2392978), (161, 1367416), (184, 1196489), (322, 683708), (644, 341854), (1288, 170927)]