257135948

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{547}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 494936064

約数和(自身を除く): 237800116

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 223, 446, 527, 547, 892, 1054, 1094, 2108, 2188, 3791, 6913, 7582, 9299, 13826, 15164, 16957, 18598, 27652, 33914, 37196, 67828, 117521, 121981, 235042, 243962, 288269, 470084, 487924, 576538, 1153076, 2073677, 3781411, 4147354, 7562822, 8294708, 15125644, 64283987, 128567974, 257135948]

約数ペア:

[(1, 257135948), (2, 128567974), (4, 64283987), (17, 15125644), (31, 8294708), (34, 7562822), (62, 4147354), (68, 3781411), (124, 2073677), (223, 1153076), (446, 576538), (527, 487924), (547, 470084), (892, 288269), (1054, 243962), (1094, 235042), (2108, 121981), (2188, 117521), (3791, 67828), (6913, 37196), (7582, 33914), (9299, 27652), (13826, 18598), (15164, 16957)]