81552910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{28219}}^1$

素因数の和:28260

約数の個数: 24

約数和(自身を含む): 155943720

約数和(自身を除く): 74390810

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 28219, 56438, 141095, 282190, 479723, 959446, 2398615, 4797230, 8155291, 16310582, 40776455, 81552910]

約数ペア:

[(1, 81552910), (2, 40776455), (5, 16310582), (10, 8155291), (17, 4797230), (34, 2398615), (85, 959446), (170, 479723), (289, 282190), (578, 141095), (1445, 56438), (2890, 28219)]