81331252

素因数分解:

$2^2\times {\mathrm{419}}^1\times {\mathrm{48527}}^1$

素因数の和:48950

約数の個数: 12

約数和(自身を含む): 142672320

約数和(自身を除く): 61341068

約数列:

[1, 2, 4, 419, 838, 1676, 48527, 97054, 194108, 20332813, 40665626, 81331252]

約数ペア:

[(1, 81331252), (2, 40665626), (4, 20332813), (419, 194108), (838, 97054), (1676, 48527)]