256905278

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{1093}}^1$

素因数の和:1368

約数の個数: 32

約数和(自身を含む): 447822336

約数和(自身を除く): 190917058

約数列:

[1, 2, 7, 14, 103, 163, 206, 326, 721, 1093, 1141, 1442, 2186, 2282, 7651, 15302, 16789, 33578, 112579, 117523, 178159, 225158, 235046, 356318, 788053, 1247113, 1576106, 2494226, 18350377, 36700754, 128452639, 256905278]

約数ペア:

[(1, 256905278), (2, 128452639), (7, 36700754), (14, 18350377), (103, 2494226), (163, 1576106), (206, 1247113), (326, 788053), (721, 356318), (1093, 235046), (1141, 225158), (1442, 178159), (2186, 117523), (2282, 112579), (7651, 33578), (15302, 16789)]