81409166

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{4021}}^1$

素因数の和:4267

約数の個数: 16

約数和(自身を含む): 125100288

約数和(自身を除く): 43691122

約数列:

[1, 2, 53, 106, 191, 382, 4021, 8042, 10123, 20246, 213113, 426226, 768011, 1536022, 40704583, 81409166]

約数ペア:

[(1, 81409166), (2, 40704583), (53, 1536022), (106, 768011), (191, 426226), (382, 213113), (4021, 20246), (8042, 10123)]