68990930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{405829}}^1$

素因数の和:405853

約数の個数: 16

約数和(自身を含む): 131488920

約数和(自身を除く): 62497990

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 405829, 811658, 2029145, 4058290, 6899093, 13798186, 34495465, 68990930]

約数ペア:

[(1, 68990930), (2, 34495465), (5, 13798186), (10, 6899093), (17, 4058290), (34, 2029145), (85, 811658), (170, 405829)]