1639739969

素因数分解:

$7^3\times {\mathrm{131}}^1\times {\mathrm{36493}}^1$

素因数の和:36645

約数の個数: 16

約数和(自身を含む): 1926883200

約数和(自身を除く): 287143231

約数列:

[1, 7, 49, 131, 343, 917, 6419, 36493, 44933, 255451, 1788157, 4780583, 12517099, 33464081, 234248567, 1639739969]

約数ペア:

[(1, 1639739969), (7, 234248567), (49, 33464081), (131, 12517099), (343, 4780583), (917, 1788157), (6419, 255451), (36493, 44933)]