990388616

素因数分解:

$2^3\times 7^1\times {\mathrm{17685511}}^1$

素因数の和:17685524

約数の個数: 16

約数和(自身を含む): 2122261440

約数和(自身を除く): 1131872824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 17685511, 35371022, 70742044, 123798577, 141484088, 247597154, 495194308, 990388616]

約数ペア:

[(1, 990388616), (2, 495194308), (4, 247597154), (7, 141484088), (8, 123798577), (14, 70742044), (28, 35371022), (56, 17685511)]