164657872

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{56857}}^1$

素因数の和:57046

約数の個数: 20

約数和(自身を含む): 320792836

約数和(自身を除く): 156134964

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 56857, 113714, 227428, 454856, 909712, 10291117, 20582234, 41164468, 82328936, 164657872]

約数ペア:

[(1, 164657872), (2, 82328936), (4, 41164468), (8, 20582234), (16, 10291117), (181, 909712), (362, 454856), (724, 227428), (1448, 113714), (2896, 56857)]