4399003

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:426

約数の個数: 16

約数和(自身を含む): 5322240

約数和(自身を除く): 923237

約数列:

[1, 7, 23, 89, 161, 307, 623, 2047, 2149, 7061, 14329, 27323, 49427, 191261, 628429, 4399003]

約数ペア:

[(1, 4399003), (7, 628429), (23, 191261), (89, 49427), (161, 27323), (307, 14329), (623, 7061), (2047, 2149)]