320790968

素因数分解:

$2^3\times {\mathrm{167}}^1\times {\mathrm{240113}}^1$

素因数の和:240286

約数の個数: 16

約数和(自身を含む): 605087280

約数和(自身を除く): 284296312

約数列:

[1, 2, 4, 8, 167, 334, 668, 1336, 240113, 480226, 960452, 1920904, 40098871, 80197742, 160395484, 320790968]

約数ペア:

[(1, 320790968), (2, 160395484), (4, 80197742), (8, 40098871), (167, 1920904), (334, 960452), (668, 480226), (1336, 240113)]