399368432576

素因数分解:

$2^6\times {\mathrm{137}}^1\times {\mathrm{45548407}}^1$

素因数の和:45548556

約数の個数: 28

約数和(自身を含む): 798281398608

約数和(自身を除く): 398912966032

約数列:

[1, 2, 4, 8, 16, 32, 64, 137, 274, 548, 1096, 2192, 4384, 8768, 45548407, 91096814, 182193628, 364387256, 728774512, 1457549024, 2915098048, 6240131759, 12480263518, 24960527036, 49921054072, 99842108144, 199684216288, 399368432576]

約数ペア:

[(1, 399368432576), (2, 199684216288), (4, 99842108144), (8, 49921054072), (16, 24960527036), (32, 12480263518), (64, 6240131759), (137, 2915098048), (274, 1457549024), (548, 728774512), (1096, 364387256), (2192, 182193628), (4384, 91096814), (8768, 45548407)]