2019901075

素因数分解:

$5^2\times {\mathrm{5641}}^1\times {\mathrm{14323}}^1$

素因数の和:19974

約数の個数: 12

約数和(自身を含む): 2505296248

約数和(自身を除く): 485395173

約数列:

[1, 5, 25, 5641, 14323, 28205, 71615, 141025, 358075, 80796043, 403980215, 2019901075]

約数ペア:

[(1, 2019901075), (5, 403980215), (25, 80796043), (5641, 358075), (14323, 141025), (28205, 71615)]