77681516

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{160499}}^1$

素因数の和:160525

約数の個数: 18

約数和(自身を含む): 149425500

約数和(自身を除く): 71743984

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 160499, 320998, 641996, 1765489, 3530978, 7061956, 19420379, 38840758, 77681516]

約数ペア:

[(1, 77681516), (2, 38840758), (4, 19420379), (11, 7061956), (22, 3530978), (44, 1765489), (121, 641996), (242, 320998), (484, 160499)]