31647484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{389}}^1$

素因数の和:490

約数の個数: 36

約数和(自身を含む): 62014680

約数和(自身を除く): 30367196

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 389, 473, 778, 946, 1556, 1849, 1892, 3698, 4279, 7396, 8558, 16727, 17116, 20339, 33454, 40678, 66908, 81356, 183997, 367994, 719261, 735988, 1438522, 2877044, 7911871, 15823742, 31647484]

約数ペア:

[(1, 31647484), (2, 15823742), (4, 7911871), (11, 2877044), (22, 1438522), (43, 735988), (44, 719261), (86, 367994), (172, 183997), (389, 81356), (473, 66908), (778, 40678), (946, 33454), (1556, 20339), (1849, 17116), (1892, 16727), (3698, 8558), (4279, 7396)]