219347710

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{167441}}^1$

素因数の和:167579

約数の個数: 16

約数和(自身を含む): 397842192

約数和(自身を除く): 178494482

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 167441, 334882, 837205, 1674410, 21934771, 43869542, 109673855, 219347710]

約数ペア:

[(1, 219347710), (2, 109673855), (5, 43869542), (10, 21934771), (131, 1674410), (262, 837205), (655, 334882), (1310, 167441)]