81745016

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{329617}}^1$

素因数の和:329654

約数の個数: 16

約数和(自身を含む): 158216640

約数和(自身を除く): 76471624

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 329617, 659234, 1318468, 2636936, 10218127, 20436254, 40872508, 81745016]

約数ペア:

[(1, 81745016), (2, 40872508), (4, 20436254), (8, 10218127), (31, 2636936), (62, 1318468), (124, 659234), (248, 329617)]