78421772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1931}}^1$

素因数の和:2030

約数の個数: 48

約数和(自身を含む): 163586304

約数和(自身を除く): 85164532

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 71, 142, 143, 284, 286, 572, 781, 923, 1562, 1846, 1931, 3124, 3692, 3862, 7724, 10153, 20306, 21241, 25103, 40612, 42482, 50206, 84964, 100412, 137101, 274202, 276133, 548404, 552266, 1104532, 1508111, 1782313, 3016222, 3564626, 6032444, 7129252, 19605443, 39210886, 78421772]

約数ペア:

[(1, 78421772), (2, 39210886), (4, 19605443), (11, 7129252), (13, 6032444), (22, 3564626), (26, 3016222), (44, 1782313), (52, 1508111), (71, 1104532), (142, 552266), (143, 548404), (284, 276133), (286, 274202), (572, 137101), (781, 100412), (923, 84964), (1562, 50206), (1846, 42482), (1931, 40612), (3124, 25103), (3692, 21241), (3862, 20306), (7724, 10153)]