250428339

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 424569600

約数和(自身を除く): 174141261

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 179, 371, 419, 477, 537, 1113, 1253, 1257, 1611, 2933, 3339, 3759, 3771, 8799, 9487, 11277, 22207, 26397, 28461, 66409, 66621, 75001, 85383, 155449, 199227, 199863, 225003, 466347, 525007, 597681, 675009, 1399041, 1575021, 3975053, 4725063, 11925159, 27825371, 35775477, 83476113, 250428339]

約数ペア:

[(1, 250428339), (3, 83476113), (7, 35775477), (9, 27825371), (21, 11925159), (53, 4725063), (63, 3975053), (159, 1575021), (179, 1399041), (371, 675009), (419, 597681), (477, 525007), (537, 466347), (1113, 225003), (1253, 199863), (1257, 199227), (1611, 155449), (2933, 85383), (3339, 75001), (3759, 66621), (3771, 66409), (8799, 28461), (9487, 26397), (11277, 22207)]