2581957

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 3283200

約数和(自身を除く): 701243

約数列:

[1, 7, 23, 29, 49, 79, 161, 203, 553, 667, 1127, 1421, 1817, 2291, 3871, 4669, 12719, 16037, 32683, 52693, 89033, 112259, 368851, 2581957]

約数ペア:

[(1, 2581957), (7, 368851), (23, 112259), (29, 89033), (49, 52693), (79, 32683), (161, 16037), (203, 12719), (553, 4669), (667, 3871), (1127, 2291), (1421, 1817)]