397996976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1913447}}^1$

素因数の和:1913468

約数の個数: 20

約数和(自身を含む): 830436432

約数和(自身を除く): 432439456

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1913447, 3826894, 7653788, 15307576, 24874811, 30615152, 49749622, 99499244, 198998488, 397996976]

約数ペア:

[(1, 397996976), (2, 198998488), (4, 99499244), (8, 49749622), (13, 30615152), (16, 24874811), (26, 15307576), (52, 7653788), (104, 3826894), (208, 1913447)]