72578195

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 95251200

約数和(自身を除く): 22673005

約数列:

[1, 5, 19, 43, 95, 109, 163, 215, 545, 815, 817, 2071, 3097, 4085, 4687, 7009, 10355, 15485, 17767, 23435, 35045, 88835, 89053, 133171, 337573, 445265, 665855, 763981, 1687865, 3819905, 14515639, 72578195]

約数ペア:

[(1, 72578195), (5, 14515639), (19, 3819905), (43, 1687865), (95, 763981), (109, 665855), (163, 445265), (215, 337573), (545, 133171), (815, 89053), (817, 88835), (2071, 35045), (3097, 23435), (4085, 17767), (4687, 15485), (7009, 10355)]