217873334

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{255121}}^1$

素因数の和:255191

約数の個数: 16

約数和(自身を含む): 379621536

約数和(自身を除く): 161748202

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 255121, 510242, 1785847, 3571694, 15562381, 31124762, 108936667, 217873334]

約数ペア:

[(1, 217873334), (2, 108936667), (7, 31124762), (14, 15562381), (61, 3571694), (122, 1785847), (427, 510242), (854, 255121)]