31404835

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 49116672

約数和(自身を除く): 17711837

約数列:

[1, 5, 7, 11, 35, 43, 49, 55, 77, 215, 245, 271, 301, 385, 473, 539, 1355, 1505, 1897, 2107, 2365, 2695, 2981, 3311, 9485, 10535, 11653, 13279, 14905, 16555, 20867, 23177, 58265, 66395, 81571, 104335, 115885, 128183, 146069, 407855, 570997, 640915, 730345, 897281, 2854985, 4486405, 6280967, 31404835]

約数ペア:

[(1, 31404835), (5, 6280967), (7, 4486405), (11, 2854985), (35, 897281), (43, 730345), (49, 640915), (55, 570997), (77, 407855), (215, 146069), (245, 128183), (271, 115885), (301, 104335), (385, 81571), (473, 66395), (539, 58265), (1355, 23177), (1505, 20867), (1897, 16555), (2107, 14905), (2365, 13279), (2695, 11653), (2981, 10535), (3311, 9485)]