390079984

素因数分解:

$2^4\times 7^2\times {\mathrm{497551}}^1$

素因数の和:497573

約数の個数: 30

約数和(自身を含む): 879174384

約数和(自身を除く): 489094400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 497551, 995102, 1990204, 3482857, 3980408, 6965714, 7960816, 13931428, 24379999, 27862856, 48759998, 55725712, 97519996, 195039992, 390079984]

約数ペア:

[(1, 390079984), (2, 195039992), (4, 97519996), (7, 55725712), (8, 48759998), (14, 27862856), (16, 24379999), (28, 13931428), (49, 7960816), (56, 6965714), (98, 3980408), (112, 3482857), (196, 1990204), (392, 995102), (784, 497551)]