219581045

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{617}}^1\times {\mathrm{653}}^1$

素因数の和:1384

約数の個数: 16

約数和(自身を含む): 266753520

約数和(自身を除く): 47172475

約数列:

[1, 5, 109, 545, 617, 653, 3085, 3265, 67253, 71177, 336265, 355885, 402901, 2014505, 43916209, 219581045]

約数ペア:

[(1, 219581045), (5, 43916209), (109, 2014505), (545, 402901), (617, 355885), (653, 336265), (3085, 71177), (3265, 67253)]