12581851385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{6763}}^1$

素因数の和:7337

約数の個数: 32

約数和(自身を含む): 16392689280

約数和(自身を除く): 3810837895

約数列:

[1, 5, 17, 43, 85, 215, 509, 731, 2545, 3655, 6763, 8653, 21887, 33815, 43265, 109435, 114971, 290809, 372079, 574855, 1454045, 1860395, 3442367, 4943753, 17211835, 24718765, 58520239, 148021781, 292601195, 740108905, 2516370277, 12581851385]

約数ペア:

[(1, 12581851385), (5, 2516370277), (17, 740108905), (43, 292601195), (85, 148021781), (215, 58520239), (509, 24718765), (731, 17211835), (2545, 4943753), (3655, 3442367), (6763, 1860395), (8653, 1454045), (21887, 574855), (33815, 372079), (43265, 290809), (109435, 114971)]