217786226

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{255019}}^1$

素因数の和:255089

約数の個数: 16

約数和(自身を含む): 379469760

約数和(自身を除く): 161683534

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 255019, 510038, 1785133, 3570266, 15556159, 31112318, 108893113, 217786226]

約数ペア:

[(1, 217786226), (2, 108893113), (7, 31112318), (14, 15556159), (61, 3570266), (122, 1785133), (427, 510038), (854, 255019)]