18474899905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{12539}}^1$

素因数の和:12694

約数の個数: 64

約数和(自身を含む): 28603238400

約数和(自身を除く): 10128338495

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 89, 215, 301, 385, 445, 473, 623, 979, 1505, 2365, 3115, 3311, 3827, 4895, 6853, 12539, 16555, 19135, 26789, 34265, 42097, 62695, 87773, 133945, 137929, 210485, 294679, 438865, 539177, 689645, 965503, 1115971, 1473395, 2695885, 3774239, 4827515, 5579855, 5930947, 7811797, 12275681, 18871195, 29654735, 39058985, 41516629, 47986753, 61378405, 85929767, 207583145, 239933765, 335907271, 429648835, 527854283, 1679536355, 2639271415, 3694979981, 18474899905]

約数ペア:

[(1, 18474899905), (5, 3694979981), (7, 2639271415), (11, 1679536355), (35, 527854283), (43, 429648835), (55, 335907271), (77, 239933765), (89, 207583145), (215, 85929767), (301, 61378405), (385, 47986753), (445, 41516629), (473, 39058985), (623, 29654735), (979, 18871195), (1505, 12275681), (2365, 7811797), (3115, 5930947), (3311, 5579855), (3827, 4827515), (4895, 3774239), (6853, 2695885), (12539, 1473395), (16555, 1115971), (19135, 965503), (26789, 689645), (34265, 539177), (42097, 438865), (62695, 294679), (87773, 210485), (133945, 137929)]