257834248

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{1069}}^1$

素因数の和:1214

約数の個数: 64

約数和(自身を含む): 570096000

約数和(自身を除く): 312261752

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 73, 118, 146, 236, 292, 413, 472, 511, 584, 826, 1022, 1069, 1652, 2044, 2138, 3304, 4088, 4276, 4307, 7483, 8552, 8614, 14966, 17228, 29932, 30149, 34456, 59864, 60298, 63071, 78037, 120596, 126142, 156074, 241192, 252284, 312148, 441497, 504568, 546259, 624296, 882994, 1092518, 1765988, 2185036, 3531976, 4370072, 4604183, 9208366, 18416732, 32229281, 36833464, 64458562, 128917124, 257834248]

約数ペア:

[(1, 257834248), (2, 128917124), (4, 64458562), (7, 36833464), (8, 32229281), (14, 18416732), (28, 9208366), (56, 4604183), (59, 4370072), (73, 3531976), (118, 2185036), (146, 1765988), (236, 1092518), (292, 882994), (413, 624296), (472, 546259), (511, 504568), (584, 441497), (826, 312148), (1022, 252284), (1069, 241192), (1652, 156074), (2044, 126142), (2138, 120596), (3304, 78037), (4088, 63071), (4276, 60298), (4307, 59864), (7483, 34456), (8552, 30149), (8614, 29932), (14966, 17228)]