28578504865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{220709}}^1$

素因数の和:220809

約数の個数: 32

約数和(自身を含む): 38138688000

約数和(自身を除く): 9560183135

約数列:

[1, 5, 19, 29, 47, 95, 145, 235, 551, 893, 1363, 2755, 4465, 6815, 25897, 129485, 220709, 1103545, 4193471, 6400561, 10373323, 20967355, 32002805, 51866615, 121610659, 197093137, 300826367, 608053295, 985465685, 1504131835, 5715700973, 28578504865]

約数ペア:

[(1, 28578504865), (5, 5715700973), (19, 1504131835), (29, 985465685), (47, 608053295), (95, 300826367), (145, 197093137), (235, 121610659), (551, 51866615), (893, 32002805), (1363, 20967355), (2755, 10373323), (4465, 6400561), (6815, 4193471), (25897, 1103545), (129485, 220709)]