31388005

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1789}}^1$

素因数の和:1845

約数の個数: 24

約数和(自身を含む): 42852600

約数和(自身を除く): 11464595

約数列:

[1, 5, 11, 29, 55, 121, 145, 319, 605, 1595, 1789, 3509, 8945, 17545, 19679, 51881, 98395, 216469, 259405, 570691, 1082345, 2853455, 6277601, 31388005]

約数ペア:

[(1, 31388005), (5, 6277601), (11, 2853455), (29, 1082345), (55, 570691), (121, 259405), (145, 216469), (319, 98395), (605, 51881), (1595, 19679), (1789, 17545), (3509, 8945)]