78487195

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 105984000

約数和(自身を除く): 27496805

約数列:

[1, 5, 19, 29, 31, 95, 145, 155, 551, 589, 899, 919, 2755, 2945, 4495, 4595, 17081, 17461, 26651, 28489, 85405, 87305, 133255, 142445, 506369, 541291, 826181, 2531845, 2706455, 4130905, 15697439, 78487195]

約数ペア:

[(1, 78487195), (5, 15697439), (19, 4130905), (29, 2706455), (31, 2531845), (95, 826181), (145, 541291), (155, 506369), (551, 142445), (589, 133255), (899, 87305), (919, 85405), (2755, 28489), (2945, 26651), (4495, 17461), (4595, 17081)]