208079781

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1069}}^1$

素因数の和:1146

約数の個数: 64

約数和(自身を含む): 368148480

約数和(自身を除く): 160068699

約数列:

[1, 3, 7, 13, 21, 23, 31, 39, 69, 91, 93, 161, 217, 273, 299, 403, 483, 651, 713, 897, 1069, 1209, 2093, 2139, 2821, 3207, 4991, 6279, 7483, 8463, 9269, 13897, 14973, 22449, 24587, 27807, 33139, 41691, 64883, 73761, 97279, 99417, 172109, 194649, 231973, 291837, 319631, 430807, 516327, 695919, 762197, 958893, 1292421, 2237417, 2286591, 3015649, 5335379, 6712251, 9046947, 9908561, 16006137, 29725683, 69359927, 208079781]

約数ペア:

[(1, 208079781), (3, 69359927), (7, 29725683), (13, 16006137), (21, 9908561), (23, 9046947), (31, 6712251), (39, 5335379), (69, 3015649), (91, 2286591), (93, 2237417), (161, 1292421), (217, 958893), (273, 762197), (299, 695919), (403, 516327), (483, 430807), (651, 319631), (713, 291837), (897, 231973), (1069, 194649), (1209, 172109), (2093, 99417), (2139, 97279), (2821, 73761), (3207, 64883), (4991, 41691), (6279, 33139), (7483, 27807), (8463, 24587), (9269, 22449), (13897, 14973)]