81735484

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{287801}}^1$

素因数の和:287876

約数の個数: 12

約数和(自身を含む): 145052208

約数和(自身を除く): 63316724

約数列:

[1, 2, 4, 71, 142, 284, 287801, 575602, 1151204, 20433871, 40867742, 81735484]

約数ペア:

[(1, 81735484), (2, 40867742), (4, 20433871), (71, 1151204), (142, 575602), (284, 287801)]