81311168

素因数分解:

$2^6\times {\mathrm{269}}^1\times {\mathrm{4723}}^1$

素因数の和:5004

約数の個数: 28

約数和(自身を含む): 161985960

約数和(自身を除く): 80674792

約数列:

[1, 2, 4, 8, 16, 32, 64, 269, 538, 1076, 2152, 4304, 4723, 8608, 9446, 17216, 18892, 37784, 75568, 151136, 302272, 1270487, 2540974, 5081948, 10163896, 20327792, 40655584, 81311168]

約数ペア:

[(1, 81311168), (2, 40655584), (4, 20327792), (8, 10163896), (16, 5081948), (32, 2540974), (64, 1270487), (269, 302272), (538, 151136), (1076, 75568), (2152, 37784), (4304, 18892), (4723, 17216), (8608, 9446)]