81530644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{9619}}^1$

素因数の和:9799

約数の個数: 24

約数和(自身を含む): 154612640

約数和(自身を除く): 73081996

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 4238, 8476, 9619, 19238, 38476, 125047, 250094, 500188, 1567897, 3135794, 6271588, 20382661, 40765322, 81530644]

約数ペア:

[(1, 81530644), (2, 40765322), (4, 20382661), (13, 6271588), (26, 3135794), (52, 1567897), (163, 500188), (326, 250094), (652, 125047), (2119, 38476), (4238, 19238), (8476, 9619)]