221411029

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{12647}}^1$

素因数の和:12756

約数の個数: 16

約数和(自身を含む): 263483136

約数和(自身を除く): 42072107

約数列:

[1, 7, 41, 61, 287, 427, 2501, 12647, 17507, 88529, 518527, 771467, 3629689, 5400269, 31630147, 221411029]

約数ペア:

[(1, 221411029), (7, 31630147), (41, 5400269), (61, 3629689), (287, 771467), (427, 518527), (2501, 88529), (12647, 17507)]