81717592

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 180986400

約数和(自身を除く): 99268808

約数列:

[1, 2, 4, 8, 11, 22, 29, 41, 44, 58, 71, 82, 88, 116, 121, 142, 164, 232, 242, 284, 319, 328, 451, 484, 568, 638, 781, 902, 968, 1189, 1276, 1562, 1804, 2059, 2378, 2552, 2911, 3124, 3509, 3608, 4118, 4756, 4961, 5822, 6248, 7018, 8236, 8591, 9512, 9922, 11644, 13079, 14036, 16472, 17182, 19844, 22649, 23288, 26158, 28072, 32021, 34364, 39688, 45298, 52316, 64042, 68728, 84419, 90596, 104632, 128084, 143869, 168838, 181192, 249139, 256168, 287738, 337676, 352231, 498278, 575476, 675352, 704462, 928609, 996556, 1150952, 1408924, 1857218, 1993112, 2817848, 3714436, 7428872, 10214699, 20429398, 40858796, 81717592]

約数ペア:

[(1, 81717592), (2, 40858796), (4, 20429398), (8, 10214699), (11, 7428872), (22, 3714436), (29, 2817848), (41, 1993112), (44, 1857218), (58, 1408924), (71, 1150952), (82, 996556), (88, 928609), (116, 704462), (121, 675352), (142, 575476), (164, 498278), (232, 352231), (242, 337676), (284, 287738), (319, 256168), (328, 249139), (451, 181192), (484, 168838), (568, 143869), (638, 128084), (781, 104632), (902, 90596), (968, 84419), (1189, 68728), (1276, 64042), (1562, 52316), (1804, 45298), (2059, 39688), (2378, 34364), (2552, 32021), (2911, 28072), (3124, 26158), (3509, 23288), (3608, 22649), (4118, 19844), (4756, 17182), (4961, 16472), (5822, 14036), (6248, 13079), (7018, 11644), (8236, 9922), (8591, 9512)]