257349298

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{6271}}^1$

素因数の和:6378

約数の個数: 24

約数和(自身を含む): 415908864

約数和(自身を除く): 158559566

約数列:

[1, 2, 17, 34, 71, 142, 289, 578, 1207, 2414, 6271, 12542, 20519, 41038, 106607, 213214, 445241, 890482, 1812319, 3624638, 7569097, 15138194, 128674649, 257349298]

約数ペア:

[(1, 257349298), (2, 128674649), (17, 15138194), (34, 7569097), (71, 3624638), (142, 1812319), (289, 890482), (578, 445241), (1207, 213214), (2414, 106607), (6271, 41038), (12542, 20519)]