257919194

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{13913}}^1$

素因数の和:13982

約数の個数: 32

約数和(自身を含む): 448809984

約数和(自身を除く): 190890790

約数列:

[1, 2, 13, 23, 26, 31, 46, 62, 299, 403, 598, 713, 806, 1426, 9269, 13913, 18538, 27826, 180869, 319999, 361738, 431303, 639998, 862606, 4159987, 5606939, 8319974, 9919969, 11213878, 19839938, 128959597, 257919194]

約数ペア:

[(1, 257919194), (2, 128959597), (13, 19839938), (23, 11213878), (26, 9919969), (31, 8319974), (46, 5606939), (62, 4159987), (299, 862606), (403, 639998), (598, 431303), (713, 361738), (806, 319999), (1426, 180869), (9269, 27826), (13913, 18538)]