217603910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1280023}}^1$

素因数の和:1280047

約数の個数: 16

約数和(自身を含む): 414727776

約数和(自身を除く): 197123866

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1280023, 2560046, 6400115, 12800230, 21760391, 43520782, 108801955, 217603910]

約数ペア:

[(1, 217603910), (2, 108801955), (5, 43520782), (10, 21760391), (17, 12800230), (34, 6400115), (85, 2560046), (170, 1280023)]