31209486

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1637

約数の個数: 64

約数和(自身を含む): 79681536

約数和(自身を除く): 48472050

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 43, 66, 77, 86, 129, 154, 231, 258, 301, 462, 473, 602, 903, 946, 1419, 1571, 1806, 2838, 3142, 3311, 4713, 6622, 9426, 9933, 10997, 17281, 19866, 21994, 32991, 34562, 51843, 65982, 67553, 103686, 120967, 135106, 202659, 241934, 362901, 405318, 472871, 725802, 743083, 945742, 1418613, 1486166, 2229249, 2837226, 4458498, 5201581, 10403162, 15604743, 31209486]

約数ペア:

[(1, 31209486), (2, 15604743), (3, 10403162), (6, 5201581), (7, 4458498), (11, 2837226), (14, 2229249), (21, 1486166), (22, 1418613), (33, 945742), (42, 743083), (43, 725802), (66, 472871), (77, 405318), (86, 362901), (129, 241934), (154, 202659), (231, 135106), (258, 120967), (301, 103686), (462, 67553), (473, 65982), (602, 51843), (903, 34562), (946, 32991), (1419, 21994), (1571, 19866), (1806, 17281), (2838, 10997), (3142, 9933), (3311, 9426), (4713, 6622)]