221489329207

素因数分解:

${\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{2803}}^1\times {\mathrm{3851}}^1$

素因数の和:6759

約数の個数: 24

約数和(自身を含む): 238745480832

約数和(自身を除く): 17256151625

約数列:

[1, 17, 71, 289, 1207, 2803, 3851, 20519, 47651, 65467, 199013, 273421, 810067, 1112939, 3383221, 4648157, 10794353, 57514757, 79018669, 183504001, 766399063, 3119568017, 13028784071, 221489329207]

約数ペア:

[(1, 221489329207), (17, 13028784071), (71, 3119568017), (289, 766399063), (1207, 183504001), (2803, 79018669), (3851, 57514757), (20519, 10794353), (47651, 4648157), (65467, 3383221), (199013, 1112939), (273421, 810067)]