679664

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:512

約数の個数: 20

約数和(自身を含む): 1332504

約数和(自身を除く): 652840

約数列:

[1, 2, 4, 8, 16, 107, 214, 397, 428, 794, 856, 1588, 1712, 3176, 6352, 42479, 84958, 169916, 339832, 679664]

約数ペア:

[(1, 679664), (2, 339832), (4, 169916), (8, 84958), (16, 42479), (107, 6352), (214, 3176), (397, 1712), (428, 1588), (794, 856)]