28406254

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 46980000

約数和(自身を除く): 18573746

約数列:

[1, 2, 19, 29, 38, 58, 149, 173, 298, 346, 551, 1102, 2831, 3287, 4321, 5017, 5662, 6574, 8642, 10034, 25777, 51554, 82099, 95323, 164198, 190646, 489763, 747533, 979526, 1495066, 14203127, 28406254]

約数ペア:

[(1, 28406254), (2, 14203127), (19, 1495066), (29, 979526), (38, 747533), (58, 489763), (149, 190646), (173, 164198), (298, 95323), (346, 82099), (551, 51554), (1102, 25777), (2831, 10034), (3287, 8642), (4321, 6574), (5017, 5662)]