391566224

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{52181}}^1$

素因数の和:52263

約数の個数: 40

約数和(自身を含む): 879997248

約数和(自身を除く): 488431024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 3752, 7504, 52181, 104362, 208724, 365267, 417448, 730534, 834896, 1461068, 2922136, 3496127, 5844272, 6992254, 13984508, 24472889, 27969016, 48945778, 55938032, 97891556, 195783112, 391566224]

約数ペア:

[(1, 391566224), (2, 195783112), (4, 97891556), (7, 55938032), (8, 48945778), (14, 27969016), (16, 24472889), (28, 13984508), (56, 6992254), (67, 5844272), (112, 3496127), (134, 2922136), (268, 1461068), (469, 834896), (536, 730534), (938, 417448), (1072, 365267), (1876, 208724), (3752, 104362), (7504, 52181)]