81472646

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{112843}}^1$

素因数の和:112883

約数の個数: 12

約数和(自身を含む): 128980692

約数和(自身を除く): 47508046

約数列:

[1, 2, 19, 38, 361, 722, 112843, 225686, 2144017, 4288034, 40736323, 81472646]

約数ペア:

[(1, 81472646), (2, 40736323), (19, 4288034), (38, 2144017), (361, 225686), (722, 112843)]