389640368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1873271}}^1$

素因数の和:1873292

約数の個数: 20

約数和(自身を含む): 813000048

約数和(自身を除く): 423359680

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1873271, 3746542, 7493084, 14986168, 24352523, 29972336, 48705046, 97410092, 194820184, 389640368]

約数ペア:

[(1, 389640368), (2, 194820184), (4, 97410092), (8, 48705046), (13, 29972336), (16, 24352523), (26, 14986168), (52, 7493084), (104, 3746542), (208, 1873271)]