218901992

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{636343}}^1$

素因数の和:636392

約数の個数: 16

約数和(自身を含む): 419987040

約数和(自身を除く): 201085048

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 636343, 1272686, 2545372, 5090744, 27362749, 54725498, 109450996, 218901992]

約数ペア:

[(1, 218901992), (2, 109450996), (4, 54725498), (8, 27362749), (43, 5090744), (86, 2545372), (172, 1272686), (344, 636343)]