217439710

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{42719}}^1$

素因数の和:43235

約数の個数: 16

約数和(自身を含む): 392169600

約数和(自身を除く): 174729890

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 5090, 42719, 85438, 213595, 427190, 21743971, 43487942, 108719855, 217439710]

約数ペア:

[(1, 217439710), (2, 108719855), (5, 43487942), (10, 21743971), (509, 427190), (1018, 213595), (2545, 85438), (5090, 42719)]