818640004

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{118369}}^1$

素因数の和:118412

約数の個数: 48

約数和(自身を含む): 1856041600

約数和(自身を除く): 1037401596

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 6916, 118369, 236738, 473476, 828583, 1538797, 1657166, 2249011, 3077594, 3314332, 4498022, 6155188, 8996044, 10771579, 15743077, 21543158, 29237143, 31486154, 43086316, 58474286, 62972308, 116948572, 204660001, 409320002, 818640004]

約数ペア:

[(1, 818640004), (2, 409320002), (4, 204660001), (7, 116948572), (13, 62972308), (14, 58474286), (19, 43086316), (26, 31486154), (28, 29237143), (38, 21543158), (52, 15743077), (76, 10771579), (91, 8996044), (133, 6155188), (182, 4498022), (247, 3314332), (266, 3077594), (364, 2249011), (494, 1657166), (532, 1538797), (988, 828583), (1729, 473476), (3458, 236738), (6916, 118369)]