2142259

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:270

約数の個数: 16

約数和(自身を含む): 2589120

約数和(自身を除く): 446861

約数列:

[1, 7, 29, 61, 173, 203, 427, 1211, 1769, 5017, 10553, 12383, 35119, 73871, 306037, 2142259]

約数ペア:

[(1, 2142259), (7, 306037), (29, 73871), (61, 35119), (173, 12383), (203, 10553), (427, 5017), (1211, 1769)]