81397184

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:514

約数の個数: 84

約数和(自身を含む): 185665872

約数和(自身を除く): 104268688

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 88, 92, 121, 176, 184, 242, 253, 352, 368, 457, 484, 506, 704, 736, 914, 968, 1012, 1472, 1828, 1936, 2024, 2783, 3656, 3872, 4048, 5027, 5566, 7312, 7744, 8096, 10054, 10511, 11132, 14624, 16192, 20108, 21022, 22264, 29248, 40216, 42044, 44528, 55297, 80432, 84088, 89056, 110594, 115621, 160864, 168176, 178112, 221188, 231242, 321728, 336352, 442376, 462484, 672704, 884752, 924968, 1271831, 1769504, 1849936, 2543662, 3539008, 3699872, 5087324, 7399744, 10174648, 20349296, 40698592, 81397184]

約数ペア:

[(1, 81397184), (2, 40698592), (4, 20349296), (8, 10174648), (11, 7399744), (16, 5087324), (22, 3699872), (23, 3539008), (32, 2543662), (44, 1849936), (46, 1769504), (64, 1271831), (88, 924968), (92, 884752), (121, 672704), (176, 462484), (184, 442376), (242, 336352), (253, 321728), (352, 231242), (368, 221188), (457, 178112), (484, 168176), (506, 160864), (704, 115621), (736, 110594), (914, 89056), (968, 84088), (1012, 80432), (1472, 55297), (1828, 44528), (1936, 42044), (2024, 40216), (2783, 29248), (3656, 22264), (3872, 21022), (4048, 20108), (5027, 16192), (5566, 14624), (7312, 11132), (7744, 10511), (8096, 10054)]