256260849

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{7309}}^1$

素因数の和:7385

約数の個数: 32

約数和(自身を含む): 392985600

約数和(自身を除く): 136724751

約数列:

[1, 3, 13, 29, 31, 39, 87, 93, 377, 403, 899, 1131, 1209, 2697, 7309, 11687, 21927, 35061, 95017, 211961, 226579, 285051, 635883, 679737, 2755493, 2945527, 6570791, 8266479, 8836581, 19712373, 85420283, 256260849]

約数ペア:

[(1, 256260849), (3, 85420283), (13, 19712373), (29, 8836581), (31, 8266479), (39, 6570791), (87, 2945527), (93, 2755493), (377, 679737), (403, 635883), (899, 285051), (1131, 226579), (1209, 211961), (2697, 95017), (7309, 35061), (11687, 21927)]