81086452

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 155975680

約数和(自身を除く): 74889228

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 127, 254, 271, 508, 542, 589, 1084, 1178, 2356, 2413, 3937, 4826, 5149, 7874, 8401, 9652, 10298, 15748, 16802, 20596, 33604, 34417, 68834, 74803, 137668, 149606, 159619, 299212, 319238, 638476, 653923, 1066927, 1307846, 2133854, 2615692, 4267708, 20271613, 40543226, 81086452]

約数ペア:

[(1, 81086452), (2, 40543226), (4, 20271613), (19, 4267708), (31, 2615692), (38, 2133854), (62, 1307846), (76, 1066927), (124, 653923), (127, 638476), (254, 319238), (271, 299212), (508, 159619), (542, 149606), (589, 137668), (1084, 74803), (1178, 68834), (2356, 34417), (2413, 33604), (3937, 20596), (4826, 16802), (5149, 15748), (7874, 10298), (8401, 9652)]