25637486

素因数分解:

$2^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1997}}^1$

素因数の和:2144

約数の個数: 24

約数和(自身を含む): 45098856

約数和(自身を除く): 19461370

約数列:

[1, 2, 7, 14, 49, 98, 131, 262, 917, 1834, 1997, 3994, 6419, 12838, 13979, 27958, 97853, 195706, 261607, 523214, 1831249, 3662498, 12818743, 25637486]

約数ペア:

[(1, 25637486), (2, 12818743), (7, 3662498), (14, 1831249), (49, 523214), (98, 261607), (131, 195706), (262, 97853), (917, 27958), (1834, 13979), (1997, 12838), (3994, 6419)]