2606945

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 3575040

約数和(自身を除く): 968095

約数列:

[1, 5, 11, 31, 55, 121, 139, 155, 341, 605, 695, 1529, 1705, 3751, 4309, 7645, 16819, 18755, 21545, 47399, 84095, 236995, 521389, 2606945]

約数ペア:

[(1, 2606945), (5, 521389), (11, 236995), (31, 84095), (55, 47399), (121, 21545), (139, 18755), (155, 16819), (341, 7645), (605, 4309), (695, 3751), (1529, 1705)]