261890825845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1249}}^1\times {\mathrm{3812371}}^1$

素因数の和:3813636

約数の個数: 16

約数和(自身を含む): 343113480000

約数和(自身を除く): 81222654155

約数列:

[1, 5, 11, 55, 1249, 6245, 13739, 68695, 3812371, 19061855, 41936081, 209680405, 4761651379, 23808256895, 52378165169, 261890825845]

約数ペア:

[(1, 261890825845), (5, 52378165169), (11, 23808256895), (55, 4761651379), (1249, 209680405), (6245, 41936081), (13739, 19061855), (68695, 3812371)]