138679984

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{55207}}^1$

素因数の和:55372

約数の個数: 20

約数和(自身を含む): 270408784

約数和(自身を除く): 131728800

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 55207, 110414, 220828, 441656, 883312, 8667499, 17334998, 34669996, 69339992, 138679984]

約数ペア:

[(1, 138679984), (2, 69339992), (4, 34669996), (8, 17334998), (16, 8667499), (157, 883312), (314, 441656), (628, 220828), (1256, 110414), (2512, 55207)]