81821168

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3251}}^1$

素因数の和:3294

約数の個数: 60

約数和(自身を含む): 187711944

約数和(自身を除く): 105890776

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 121, 143, 176, 208, 242, 286, 484, 572, 968, 1144, 1573, 1936, 2288, 3146, 3251, 6292, 6502, 12584, 13004, 25168, 26008, 35761, 42263, 52016, 71522, 84526, 143044, 169052, 286088, 338104, 393371, 464893, 572176, 676208, 786742, 929786, 1573484, 1859572, 3146968, 3719144, 5113823, 6293936, 7438288, 10227646, 20455292, 40910584, 81821168]

約数ペア:

[(1, 81821168), (2, 40910584), (4, 20455292), (8, 10227646), (11, 7438288), (13, 6293936), (16, 5113823), (22, 3719144), (26, 3146968), (44, 1859572), (52, 1573484), (88, 929786), (104, 786742), (121, 676208), (143, 572176), (176, 464893), (208, 393371), (242, 338104), (286, 286088), (484, 169052), (572, 143044), (968, 84526), (1144, 71522), (1573, 52016), (1936, 42263), (2288, 35761), (3146, 26008), (3251, 25168), (6292, 13004), (6502, 12584)]