289061825

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2207}}^1$

素因数の和:2274

約数の個数: 36

約数和(自身を含む): 400831488

約数和(自身を除く): 111769663

約数列:

[1, 5, 13, 25, 31, 65, 155, 169, 325, 403, 775, 845, 2015, 2207, 4225, 5239, 10075, 11035, 26195, 28691, 55175, 68417, 130975, 143455, 342085, 372983, 717275, 889421, 1710425, 1864915, 4447105, 9324575, 11562473, 22235525, 57812365, 289061825]

約数ペア:

[(1, 289061825), (5, 57812365), (13, 22235525), (25, 11562473), (31, 9324575), (65, 4447105), (155, 1864915), (169, 1710425), (325, 889421), (403, 717275), (775, 372983), (845, 342085), (2015, 143455), (2207, 130975), (4225, 68417), (5239, 55175), (10075, 28691), (11035, 26195)]