81715568

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3389}}^1$

素因数の和:3545

約数の個数: 40

約数和(自身を含む): 174029040

約数和(自身を除く): 92313472

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 137, 176, 274, 548, 1096, 1507, 2192, 3014, 3389, 6028, 6778, 12056, 13556, 24112, 27112, 37279, 54224, 74558, 149116, 298232, 464293, 596464, 928586, 1857172, 3714344, 5107223, 7428688, 10214446, 20428892, 40857784, 81715568]

約数ペア:

[(1, 81715568), (2, 40857784), (4, 20428892), (8, 10214446), (11, 7428688), (16, 5107223), (22, 3714344), (44, 1857172), (88, 928586), (137, 596464), (176, 464293), (274, 298232), (548, 149116), (1096, 74558), (1507, 54224), (2192, 37279), (3014, 27112), (3389, 24112), (6028, 13556), (6778, 12056)]