25145601

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 40435584

約数和(自身を除く): 15289983

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 97, 221, 289, 291, 299, 391, 663, 867, 897, 1173, 1261, 1649, 2231, 3757, 3783, 4947, 5083, 6647, 6693, 11271, 15249, 19941, 21437, 28033, 29003, 37927, 64311, 84099, 86411, 87009, 113781, 259233, 364429, 493051, 644759, 1093287, 1479153, 1934277, 8381867, 25145601]

約数ペア:

[(1, 25145601), (3, 8381867), (13, 1934277), (17, 1479153), (23, 1093287), (39, 644759), (51, 493051), (69, 364429), (97, 259233), (221, 113781), (289, 87009), (291, 86411), (299, 84099), (391, 64311), (663, 37927), (867, 29003), (897, 28033), (1173, 21437), (1261, 19941), (1649, 15249), (2231, 11271), (3757, 6693), (3783, 6647), (4947, 5083)]