78490984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{68611}}^1$

素因数の和:68641

約数の個数: 32

約数和(自身を含む): 172902240

約数和(自身を除く): 94411256

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 68611, 137222, 274444, 548888, 754721, 891943, 1509442, 1783886, 3018884, 3567772, 6037768, 7135544, 9811373, 19622746, 39245492, 78490984]

約数ペア:

[(1, 78490984), (2, 39245492), (4, 19622746), (8, 9811373), (11, 7135544), (13, 6037768), (22, 3567772), (26, 3018884), (44, 1783886), (52, 1509442), (88, 891943), (104, 754721), (143, 548888), (286, 274444), (572, 137222), (1144, 68611)]