81531830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{479599}}^1$

素因数の和:479623

約数の個数: 16

約数和(自身を含む): 155390400

約数和(自身を除く): 73858570

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 479599, 959198, 2397995, 4795990, 8153183, 16306366, 40765915, 81531830]

約数ペア:

[(1, 81531830), (2, 40765915), (5, 16306366), (10, 8153183), (17, 4795990), (34, 2397995), (85, 959198), (170, 479599)]