1285557518

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{13691}}^1$

素因数の和:14072

約数の個数: 32

約数和(自身を含む): 2326544640

約数和(自身を除く): 1040987122

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 353, 706, 2471, 4942, 6707, 13414, 13691, 27382, 46949, 93898, 95837, 191674, 260129, 520258, 1820903, 3641806, 4832923, 9665846, 33830461, 67660922, 91825537, 183651074, 642778759, 1285557518]

約数ペア:

[(1, 1285557518), (2, 642778759), (7, 183651074), (14, 91825537), (19, 67660922), (38, 33830461), (133, 9665846), (266, 4832923), (353, 3641806), (706, 1820903), (2471, 520258), (4942, 260129), (6707, 191674), (13414, 95837), (13691, 93898), (27382, 46949)]