31291272

素因数分解:

$2^3\times 3^4\times {\mathrm{43}}^1\times {\mathrm{1123}}^1$

素因数の和:1184

約数の個数: 80

約数和(自身を含む): 89762640

約数和(自身を除く): 58471368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 81, 86, 108, 129, 162, 172, 216, 258, 324, 344, 387, 516, 648, 774, 1032, 1123, 1161, 1548, 2246, 2322, 3096, 3369, 3483, 4492, 4644, 6738, 6966, 8984, 9288, 10107, 13476, 13932, 20214, 26952, 27864, 30321, 40428, 48289, 60642, 80856, 90963, 96578, 121284, 144867, 181926, 193156, 242568, 289734, 363852, 386312, 434601, 579468, 727704, 869202, 1158936, 1303803, 1738404, 2607606, 3476808, 3911409, 5215212, 7822818, 10430424, 15645636, 31291272]

約数ペア:

[(1, 31291272), (2, 15645636), (3, 10430424), (4, 7822818), (6, 5215212), (8, 3911409), (9, 3476808), (12, 2607606), (18, 1738404), (24, 1303803), (27, 1158936), (36, 869202), (43, 727704), (54, 579468), (72, 434601), (81, 386312), (86, 363852), (108, 289734), (129, 242568), (162, 193156), (172, 181926), (216, 144867), (258, 121284), (324, 96578), (344, 90963), (387, 80856), (516, 60642), (648, 48289), (774, 40428), (1032, 30321), (1123, 27864), (1161, 26952), (1548, 20214), (2246, 13932), (2322, 13476), (3096, 10107), (3369, 9288), (3483, 8984), (4492, 6966), (4644, 6738)]