31688514

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{947}}^1$

素因数の和:992

約数の個数: 72

約数和(自身を含む): 81190512

約数和(自身を除く): 49501998

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 169, 198, 234, 286, 338, 429, 507, 858, 947, 1014, 1287, 1521, 1859, 1894, 2574, 2841, 3042, 3718, 5577, 5682, 8523, 10417, 11154, 12311, 16731, 17046, 20834, 24622, 31251, 33462, 36933, 62502, 73866, 93753, 110799, 135421, 160043, 187506, 221598, 270842, 320086, 406263, 480129, 812526, 960258, 1218789, 1440387, 1760473, 2437578, 2880774, 3520946, 5281419, 10562838, 15844257, 31688514]

約数ペア:

[(1, 31688514), (2, 15844257), (3, 10562838), (6, 5281419), (9, 3520946), (11, 2880774), (13, 2437578), (18, 1760473), (22, 1440387), (26, 1218789), (33, 960258), (39, 812526), (66, 480129), (78, 406263), (99, 320086), (117, 270842), (143, 221598), (169, 187506), (198, 160043), (234, 135421), (286, 110799), (338, 93753), (429, 73866), (507, 62502), (858, 36933), (947, 33462), (1014, 31251), (1287, 24622), (1521, 20834), (1859, 17046), (1894, 16731), (2574, 12311), (2841, 11154), (3042, 10417), (3718, 8523), (5577, 5682)]