25640006

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2351}}^1$

素因数の和:2420

約数の個数: 32

約数和(自身を含む): 47416320

約数和(自身を除く): 21776314

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 574, 779, 1558, 2351, 4702, 5453, 10906, 16457, 32914, 44669, 89338, 96391, 192782, 312683, 625366, 674737, 1349474, 1831429, 3662858, 12820003, 25640006]

約数ペア:

[(1, 25640006), (2, 12820003), (7, 3662858), (14, 1831429), (19, 1349474), (38, 674737), (41, 625366), (82, 312683), (133, 192782), (266, 96391), (287, 89338), (574, 44669), (779, 32914), (1558, 16457), (2351, 10906), (4702, 5453)]