217175030

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{42667}}^1$

素因数の和:43183

約数の個数: 16

約数和(自身を含む): 391692240

約数和(自身を除く): 174517210

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 5090, 42667, 85334, 213335, 426670, 21717503, 43435006, 108587515, 217175030]

約数ペア:

[(1, 217175030), (2, 108587515), (5, 43435006), (10, 21717503), (509, 426670), (1018, 213335), (2545, 85334), (5090, 42667)]