81305408

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{66863}}^1$

素因数の和:66894

約数の個数: 28

約数和(自身を含む): 169834560

約数和(自身を除く): 88529152

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 66863, 133726, 267452, 534904, 1069808, 1270397, 2139616, 2540794, 4279232, 5081588, 10163176, 20326352, 40652704, 81305408]

約数ペア:

[(1, 81305408), (2, 40652704), (4, 20326352), (8, 10163176), (16, 5081588), (19, 4279232), (32, 2540794), (38, 2139616), (64, 1270397), (76, 1069808), (152, 534904), (304, 267452), (608, 133726), (1216, 66863)]