28082210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{641}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 54682992

約数和(自身を除く): 26600782

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 337, 641, 674, 1282, 1685, 3205, 3370, 4381, 6410, 8333, 8762, 16666, 21905, 41665, 43810, 83330, 216017, 432034, 1080085, 2160170, 2808221, 5616442, 14041105, 28082210]

約数ペア:

[(1, 28082210), (2, 14041105), (5, 5616442), (10, 2808221), (13, 2160170), (26, 1080085), (65, 432034), (130, 216017), (337, 83330), (641, 43810), (674, 41665), (1282, 21905), (1685, 16666), (3205, 8762), (3370, 8333), (4381, 6410)]