40486548978

素因数分解:

$2^1\times 3^4\times {\mathrm{249916969}}^1$

素因数の和:249916983

約数の個数: 20

約数和(自身を含む): 90719860110

約数和(自身を除く): 50233311132

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 249916969, 499833938, 749750907, 1499501814, 2249252721, 4498505442, 6747758163, 13495516326, 20243274489, 40486548978]

約数ペア:

[(1, 40486548978), (2, 20243274489), (3, 13495516326), (6, 6747758163), (9, 4498505442), (18, 2249252721), (27, 1499501814), (54, 749750907), (81, 499833938), (162, 249916969)]