291275195

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 378302400

約数和(自身を除く): 87027205

約数列:

[1, 5, 17, 85, 89, 139, 277, 445, 695, 1385, 1513, 2363, 4709, 7565, 11815, 12371, 23545, 24653, 38503, 61855, 123265, 192515, 210307, 419101, 654551, 1051535, 2095505, 3272755, 3426767, 17133835, 58255039, 291275195]

約数ペア:

[(1, 291275195), (5, 58255039), (17, 17133835), (85, 3426767), (89, 3272755), (139, 2095505), (277, 1051535), (445, 654551), (695, 419101), (1385, 210307), (1513, 192515), (2363, 123265), (4709, 61855), (7565, 38503), (11815, 24653), (12371, 23545)]