64425808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{211927}}^1$

素因数の和:211954

約数の個数: 20

約数和(自身を含む): 131395360

約数和(自身を除く): 66969552

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 211927, 423854, 847708, 1695416, 3390832, 4026613, 8053226, 16106452, 32212904, 64425808]

約数ペア:

[(1, 64425808), (2, 32212904), (4, 16106452), (8, 8053226), (16, 4026613), (19, 3390832), (38, 1695416), (76, 847708), (152, 423854), (304, 211927)]