217299590

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{529999}}^1$

素因数の和:530047

約数の個数: 16

約数和(自身を含む): 400680000

約数和(自身を除く): 183380410

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 529999, 1059998, 2649995, 5299990, 21729959, 43459918, 108649795, 217299590]

約数ペア:

[(1, 217299590), (2, 108649795), (5, 43459918), (10, 21729959), (41, 5299990), (82, 2649995), (205, 1059998), (410, 529999)]