1640974049

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1043213}}^1$

素因数の和:1043248

約数の個数: 12

約数和(自身を含む): 1942464468

約数和(自身を除く): 301490419

約数列:

[1, 11, 13, 121, 143, 1573, 1043213, 11475343, 13561769, 126228773, 149179459, 1640974049]

約数ペア:

[(1, 1640974049), (11, 149179459), (13, 126228773), (121, 13561769), (143, 11475343), (1573, 1043213)]