28248962690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{278947}}^1$

素因数の和:279027

約数の個数: 64

約数和(自身を含む): 59047712640

約数和(自身を除く): 30798749950

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 41, 65, 82, 95, 130, 190, 205, 247, 410, 494, 533, 779, 1066, 1235, 1558, 2470, 2665, 3895, 5330, 7790, 10127, 20254, 50635, 101270, 278947, 557894, 1394735, 2789470, 3626311, 5299993, 7252622, 10599986, 11436827, 18131555, 22873654, 26499965, 36263110, 52999930, 57184135, 68899909, 114368270, 137799818, 148678751, 217299713, 297357502, 344499545, 434599426, 688999090, 743393755, 1086498565, 1486787510, 2172997130, 2824896269, 5649792538, 14124481345, 28248962690]

約数ペア:

[(1, 28248962690), (2, 14124481345), (5, 5649792538), (10, 2824896269), (13, 2172997130), (19, 1486787510), (26, 1086498565), (38, 743393755), (41, 688999090), (65, 434599426), (82, 344499545), (95, 297357502), (130, 217299713), (190, 148678751), (205, 137799818), (247, 114368270), (410, 68899909), (494, 57184135), (533, 52999930), (779, 36263110), (1066, 26499965), (1235, 22873654), (1558, 18131555), (2470, 11436827), (2665, 10599986), (3895, 7252622), (5330, 5299993), (7790, 3626311), (10127, 2789470), (20254, 1394735), (50635, 557894), (101270, 278947)]