77338225

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:501

約数の個数: 24

約数和(自身を含む): 98085240

約数和(自身を除く): 20747015

約数列:

[1, 5, 25, 101, 109, 281, 505, 545, 1405, 2525, 2725, 7025, 11009, 28381, 30629, 55045, 141905, 153145, 275225, 709525, 765725, 3093529, 15467645, 77338225]

約数ペア:

[(1, 77338225), (5, 15467645), (25, 3093529), (101, 765725), (109, 709525), (281, 275225), (505, 153145), (545, 141905), (1405, 55045), (2525, 30629), (2725, 28381), (7025, 11009)]