217920110

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1281883}}^1$

素因数の和:1281907

約数の個数: 16

約数和(自身を含む): 415330416

約数和(自身を除く): 197410306

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1281883, 2563766, 6409415, 12818830, 21792011, 43584022, 108960055, 217920110]

約数ペア:

[(1, 217920110), (2, 108960055), (5, 43584022), (10, 21792011), (17, 12818830), (34, 6409415), (85, 2563766), (170, 1281883)]