1298490005

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{379}}^1\times {\mathrm{2371}}^1$

素因数の和:2789

約数の個数: 24

約数和(自身を含む): 1660305120

約数和(自身を除く): 361815115

約数列:

[1, 5, 17, 85, 289, 379, 1445, 1895, 2371, 6443, 11855, 32215, 40307, 109531, 201535, 547655, 685219, 898609, 3426095, 4493045, 15276353, 76381765, 259698001, 1298490005]

約数ペア:

[(1, 1298490005), (5, 259698001), (17, 76381765), (85, 15276353), (289, 4493045), (379, 3426095), (1445, 898609), (1895, 685219), (2371, 547655), (6443, 201535), (11855, 109531), (32215, 40307)]