207905090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{263171}}^1$

素因数の和:263257

約数の個数: 16

約数和(自身を含む): 378967680

約数和(自身を除く): 171062590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 263171, 526342, 1315855, 2631710, 20790509, 41581018, 103952545, 207905090]

約数ペア:

[(1, 207905090), (2, 103952545), (5, 41581018), (10, 20790509), (79, 2631710), (158, 1315855), (395, 526342), (790, 263171)]