81869195

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 110522880

約数和(自身を除く): 28653685

約数列:

[1, 5, 17, 19, 85, 95, 163, 311, 323, 815, 1555, 1615, 2771, 3097, 5287, 5909, 13855, 15485, 26435, 29545, 50693, 52649, 100453, 253465, 263245, 502265, 861781, 963167, 4308905, 4815835, 16373839, 81869195]

約数ペア:

[(1, 81869195), (5, 16373839), (17, 4815835), (19, 4308905), (85, 963167), (95, 861781), (163, 502265), (311, 263245), (323, 253465), (815, 100453), (1555, 52649), (1615, 50693), (2771, 29545), (3097, 26435), (5287, 15485), (5909, 13855)]