39906265

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 57853440

約数和(自身を除く): 17947175

約数列:

[1, 5, 7, 23, 35, 89, 115, 161, 445, 557, 623, 805, 2047, 2785, 3115, 3899, 10235, 12811, 14329, 19495, 49573, 64055, 71645, 89677, 247865, 347011, 448385, 1140179, 1735055, 5700895, 7981253, 39906265]

約数ペア:

[(1, 39906265), (5, 7981253), (7, 5700895), (23, 1735055), (35, 1140179), (89, 448385), (115, 347011), (161, 247865), (445, 89677), (557, 71645), (623, 64055), (805, 49573), (2047, 19495), (2785, 14329), (3115, 12811), (3899, 10235)]