81955808

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 188116992

約数和(自身を除く): 106161184

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 53, 88, 92, 106, 176, 184, 191, 212, 253, 352, 368, 382, 424, 506, 583, 736, 764, 848, 1012, 1166, 1219, 1528, 1696, 2024, 2101, 2332, 2438, 3056, 4048, 4202, 4393, 4664, 4876, 6112, 8096, 8404, 8786, 9328, 9752, 10123, 13409, 16808, 17572, 18656, 19504, 20246, 26818, 33616, 35144, 39008, 40492, 48323, 53636, 67232, 70288, 80984, 96646, 107272, 111353, 140576, 161968, 193292, 214544, 222706, 232829, 323936, 386584, 429088, 445412, 465658, 773168, 890824, 931316, 1546336, 1781648, 1862632, 2561119, 3563296, 3725264, 5122238, 7450528, 10244476, 20488952, 40977904, 81955808]

約数ペア:

[(1, 81955808), (2, 40977904), (4, 20488952), (8, 10244476), (11, 7450528), (16, 5122238), (22, 3725264), (23, 3563296), (32, 2561119), (44, 1862632), (46, 1781648), (53, 1546336), (88, 931316), (92, 890824), (106, 773168), (176, 465658), (184, 445412), (191, 429088), (212, 386584), (253, 323936), (352, 232829), (368, 222706), (382, 214544), (424, 193292), (506, 161968), (583, 140576), (736, 111353), (764, 107272), (848, 96646), (1012, 80984), (1166, 70288), (1219, 67232), (1528, 53636), (1696, 48323), (2024, 40492), (2101, 39008), (2332, 35144), (2438, 33616), (3056, 26818), (4048, 20246), (4202, 19504), (4393, 18656), (4664, 17572), (4876, 16808), (6112, 13409), (8096, 10123), (8404, 9752), (8786, 9328)]