257431344

素因数分解:

$2^4\times 3^1\times {\mathrm{1439}}^1\times {\mathrm{3727}}^1$

素因数の和:5177

約数の個数: 40

約数和(自身を含む): 665671680

約数和(自身を除く): 408240336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1439, 2878, 3727, 4317, 5756, 7454, 8634, 11181, 11512, 14908, 17268, 22362, 23024, 29816, 34536, 44724, 59632, 69072, 89448, 178896, 5363153, 10726306, 16089459, 21452612, 32178918, 42905224, 64357836, 85810448, 128715672, 257431344]

約数ペア:

[(1, 257431344), (2, 128715672), (3, 85810448), (4, 64357836), (6, 42905224), (8, 32178918), (12, 21452612), (16, 16089459), (24, 10726306), (48, 5363153), (1439, 178896), (2878, 89448), (3727, 69072), (4317, 59632), (5756, 44724), (7454, 34536), (8634, 29816), (11181, 23024), (11512, 22362), (14908, 17268)]