320775442

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{15101}}^1$

素因数の和:15178

約数の個数: 32

約数和(自身を含む): 558169920

約数和(自身を除く): 237394478

約数列:

[1, 2, 13, 19, 26, 38, 43, 86, 247, 494, 559, 817, 1118, 1634, 10621, 15101, 21242, 30202, 196313, 286919, 392626, 573838, 649343, 1298686, 3729947, 7459894, 8441459, 12337517, 16882918, 24675034, 160387721, 320775442]

約数ペア:

[(1, 320775442), (2, 160387721), (13, 24675034), (19, 16882918), (26, 12337517), (38, 8441459), (43, 7459894), (86, 3729947), (247, 1298686), (494, 649343), (559, 573838), (817, 392626), (1118, 286919), (1634, 196313), (10621, 30202), (15101, 21242)]