68646172

素因数分解:

$2^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{3709}}^1$

素因数の和:4381

約数の個数: 24

約数和(自身を含む): 137537120

約数和(自身を除く): 68890948

約数列:

[1, 2, 4, 7, 14, 28, 661, 1322, 2644, 3709, 4627, 7418, 9254, 14836, 18508, 25963, 51926, 103852, 2451649, 4903298, 9806596, 17161543, 34323086, 68646172]

約数ペア:

[(1, 68646172), (2, 34323086), (4, 17161543), (7, 9806596), (14, 4903298), (28, 2451649), (661, 103852), (1322, 51926), (2644, 25963), (3709, 18508), (4627, 14836), (7418, 9254)]