81439512

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:501

約数の個数: 128

約数和(自身を含む): 256573440

約数和(自身を除く): 175133928

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 127, 132, 154, 168, 231, 254, 264, 308, 347, 381, 462, 508, 616, 694, 762, 889, 924, 1016, 1041, 1388, 1397, 1524, 1778, 1848, 2082, 2429, 2667, 2776, 2794, 3048, 3556, 3817, 4164, 4191, 4858, 5334, 5588, 7112, 7287, 7634, 8328, 8382, 9716, 9779, 10668, 11176, 11451, 14574, 15268, 16764, 19432, 19558, 21336, 22902, 26719, 29148, 29337, 30536, 33528, 39116, 44069, 45804, 53438, 58296, 58674, 78232, 80157, 88138, 91608, 106876, 117348, 132207, 160314, 176276, 213752, 234696, 264414, 308483, 320628, 352552, 484759, 528828, 616966, 641256, 925449, 969518, 1057656, 1233932, 1454277, 1850898, 1939036, 2467864, 2908554, 3393313, 3701796, 3878072, 5817108, 6786626, 7403592, 10179939, 11634216, 13573252, 20359878, 27146504, 40719756, 81439512]

約数ペア:

[(1, 81439512), (2, 40719756), (3, 27146504), (4, 20359878), (6, 13573252), (7, 11634216), (8, 10179939), (11, 7403592), (12, 6786626), (14, 5817108), (21, 3878072), (22, 3701796), (24, 3393313), (28, 2908554), (33, 2467864), (42, 1939036), (44, 1850898), (56, 1454277), (66, 1233932), (77, 1057656), (84, 969518), (88, 925449), (127, 641256), (132, 616966), (154, 528828), (168, 484759), (231, 352552), (254, 320628), (264, 308483), (308, 264414), (347, 234696), (381, 213752), (462, 176276), (508, 160314), (616, 132207), (694, 117348), (762, 106876), (889, 91608), (924, 88138), (1016, 80157), (1041, 78232), (1388, 58674), (1397, 58296), (1524, 53438), (1778, 45804), (1848, 44069), (2082, 39116), (2429, 33528), (2667, 30536), (2776, 29337), (2794, 29148), (3048, 26719), (3556, 22902), (3817, 21336), (4164, 19558), (4191, 19432), (4858, 16764), (5334, 15268), (5588, 14574), (7112, 11451), (7287, 11176), (7634, 10668), (8328, 9779), (8382, 9716)]