161586887

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 230169600

約数和(自身を除く): 68582713

約数列:

[1, 7, 11, 17, 19, 73, 77, 89, 119, 133, 187, 209, 323, 511, 623, 803, 979, 1241, 1309, 1387, 1463, 1513, 1691, 2261, 3553, 5621, 6497, 6853, 8687, 9709, 10591, 11837, 13651, 15257, 16643, 18601, 23579, 24871, 28747, 45479, 71467, 95557, 106799, 110449, 116501, 123443, 130207, 165053, 201229, 259369, 316217, 500269, 773143, 864101, 1214939, 1357873, 1815583, 2098531, 2213519, 8504573, 9505111, 14689717, 23083841, 161586887]

約数ペア:

[(1, 161586887), (7, 23083841), (11, 14689717), (17, 9505111), (19, 8504573), (73, 2213519), (77, 2098531), (89, 1815583), (119, 1357873), (133, 1214939), (187, 864101), (209, 773143), (323, 500269), (511, 316217), (623, 259369), (803, 201229), (979, 165053), (1241, 130207), (1309, 123443), (1387, 116501), (1463, 110449), (1513, 106799), (1691, 95557), (2261, 71467), (3553, 45479), (5621, 28747), (6497, 24871), (6853, 23579), (8687, 18601), (9709, 16643), (10591, 15257), (11837, 13651)]