81898588

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{63389}}^1$

素因数の和:63429

約数の個数: 24

約数和(自身を含む): 159742800

約数和(自身を除く): 77844212

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 63389, 126778, 253556, 1077613, 1204391, 2155226, 2408782, 4310452, 4817564, 20474647, 40949294, 81898588]

約数ペア:

[(1, 81898588), (2, 40949294), (4, 20474647), (17, 4817564), (19, 4310452), (34, 2408782), (38, 2155226), (68, 1204391), (76, 1077613), (323, 253556), (646, 126778), (1292, 63389)]