12691315

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27893}}^1$

素因数の和:27918

約数の個数: 16

約数和(自身を含む): 18744768

約数和(自身を除く): 6053453

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 27893, 139465, 195251, 362609, 976255, 1813045, 2538263, 12691315]

約数ペア:

[(1, 12691315), (5, 2538263), (7, 1813045), (13, 976255), (35, 362609), (65, 195251), (91, 139465), (455, 27893)]