25984756

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 54786816

約数和(自身を除く): 28802060

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 157, 161, 257, 314, 322, 514, 628, 644, 1028, 1099, 1799, 2198, 3598, 3611, 4396, 5911, 7196, 7222, 11822, 14444, 23644, 25277, 40349, 41377, 50554, 80698, 82754, 101108, 161396, 165508, 282443, 564886, 928027, 1129772, 1856054, 3712108, 6496189, 12992378, 25984756]

約数ペア:

[(1, 25984756), (2, 12992378), (4, 6496189), (7, 3712108), (14, 1856054), (23, 1129772), (28, 928027), (46, 564886), (92, 282443), (157, 165508), (161, 161396), (257, 101108), (314, 82754), (322, 80698), (514, 50554), (628, 41377), (644, 40349), (1028, 25277), (1099, 23644), (1799, 14444), (2198, 11822), (3598, 7222), (3611, 7196), (4396, 5911)]