80080819

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 100020480

約数和(自身を除く): 19939661

約数列:

[1, 7, 13, 91, 139, 169, 487, 973, 1183, 1807, 3409, 6331, 12649, 23491, 44317, 67693, 82303, 164437, 473851, 576121, 880009, 6160063, 11440117, 80080819]

約数ペア:

[(1, 80080819), (7, 11440117), (13, 6160063), (91, 880009), (139, 576121), (169, 473851), (487, 164437), (973, 82303), (1183, 67693), (1807, 44317), (3409, 23491), (6331, 12649)]