810202016

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{27431}}^1$

素因数の和:27525

約数の個数: 48

約数和(自身を含む): 1742041728

約数和(自身を除く): 931839712

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 71, 104, 142, 208, 284, 416, 568, 923, 1136, 1846, 2272, 3692, 7384, 14768, 27431, 29536, 54862, 109724, 219448, 356603, 438896, 713206, 877792, 1426412, 1947601, 2852824, 3895202, 5705648, 7790404, 11411296, 15580808, 25318813, 31161616, 50637626, 62323232, 101275252, 202550504, 405101008, 810202016]

約数ペア:

[(1, 810202016), (2, 405101008), (4, 202550504), (8, 101275252), (13, 62323232), (16, 50637626), (26, 31161616), (32, 25318813), (52, 15580808), (71, 11411296), (104, 7790404), (142, 5705648), (208, 3895202), (284, 2852824), (416, 1947601), (568, 1426412), (923, 877792), (1136, 713206), (1846, 438896), (2272, 356603), (3692, 219448), (7384, 109724), (14768, 54862), (27431, 29536)]