31328528

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:516

約数の個数: 80

約数和(自身を含む): 77137920

約数和(自身を除く): 45809392

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 59, 77, 88, 112, 118, 154, 176, 236, 308, 413, 431, 472, 616, 649, 826, 862, 944, 1232, 1298, 1652, 1724, 2596, 3017, 3304, 3448, 4543, 4741, 5192, 6034, 6608, 6896, 9086, 9482, 10384, 12068, 18172, 18964, 24136, 25429, 33187, 36344, 37928, 48272, 50858, 66374, 72688, 75856, 101716, 132748, 178003, 203432, 265496, 279719, 356006, 406864, 530992, 559438, 712012, 1118876, 1424024, 1958033, 2237752, 2848048, 3916066, 4475504, 7832132, 15664264, 31328528]

約数ペア:

[(1, 31328528), (2, 15664264), (4, 7832132), (7, 4475504), (8, 3916066), (11, 2848048), (14, 2237752), (16, 1958033), (22, 1424024), (28, 1118876), (44, 712012), (56, 559438), (59, 530992), (77, 406864), (88, 356006), (112, 279719), (118, 265496), (154, 203432), (176, 178003), (236, 132748), (308, 101716), (413, 75856), (431, 72688), (472, 66374), (616, 50858), (649, 48272), (826, 37928), (862, 36344), (944, 33187), (1232, 25429), (1298, 24136), (1652, 18964), (1724, 18172), (2596, 12068), (3017, 10384), (3304, 9482), (3448, 9086), (4543, 6896), (4741, 6608), (5192, 6034)]