81682688

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{137}}^2$

素因数の和:307

約数の個数: 54

約数和(自身を含む): 173906586

約数和(自身を除く): 92223898

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 137, 256, 272, 274, 544, 548, 1088, 1096, 2176, 2192, 2329, 4352, 4384, 4658, 8768, 9316, 17536, 18632, 18769, 35072, 37264, 37538, 74528, 75076, 149056, 150152, 298112, 300304, 319073, 596224, 600608, 638146, 1201216, 1276292, 2402432, 2552584, 4804864, 5105168, 10210336, 20420672, 40841344, 81682688]

約数ペア:

[(1, 81682688), (2, 40841344), (4, 20420672), (8, 10210336), (16, 5105168), (17, 4804864), (32, 2552584), (34, 2402432), (64, 1276292), (68, 1201216), (128, 638146), (136, 600608), (137, 596224), (256, 319073), (272, 300304), (274, 298112), (544, 150152), (548, 149056), (1088, 75076), (1096, 74528), (2176, 37538), (2192, 37264), (2329, 35072), (4352, 18769), (4384, 18632), (4658, 17536), (8768, 9316)]