63821456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{209939}}^1$

素因数の和:209966

約数の個数: 20

約数和(自身を含む): 130162800

約数和(自身を除く): 66341344

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 209939, 419878, 839756, 1679512, 3359024, 3988841, 7977682, 15955364, 31910728, 63821456]

約数ペア:

[(1, 63821456), (2, 31910728), (4, 15955364), (8, 7977682), (16, 3988841), (19, 3359024), (38, 1679512), (76, 839756), (152, 419878), (304, 209939)]