257993136

素因数分解:

$2^4\times 3^2\times {\mathrm{193}}^1\times {\mathrm{9283}}^1$

素因数の和:9490

約数の個数: 60

約数和(自身を含む): 725841688

約数和(自身を除く): 467848552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 193, 386, 579, 772, 1158, 1544, 1737, 2316, 3088, 3474, 4632, 6948, 9264, 9283, 13896, 18566, 27792, 27849, 37132, 55698, 74264, 83547, 111396, 148528, 167094, 222792, 334188, 445584, 668376, 1336752, 1791619, 3583238, 5374857, 7166476, 10749714, 14332952, 16124571, 21499428, 28665904, 32249142, 42998856, 64498284, 85997712, 128996568, 257993136]

約数ペア:

[(1, 257993136), (2, 128996568), (3, 85997712), (4, 64498284), (6, 42998856), (8, 32249142), (9, 28665904), (12, 21499428), (16, 16124571), (18, 14332952), (24, 10749714), (36, 7166476), (48, 5374857), (72, 3583238), (144, 1791619), (193, 1336752), (386, 668376), (579, 445584), (772, 334188), (1158, 222792), (1544, 167094), (1737, 148528), (2316, 111396), (3088, 83547), (3474, 74264), (4632, 55698), (6948, 37132), (9264, 27849), (9283, 27792), (13896, 18566)]