178042369

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{691}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 191324160

約数和(自身を除く): 13281791

約数列:

[1, 19, 71, 191, 691, 1349, 3629, 13129, 13561, 49061, 131981, 257659, 932159, 2507639, 9370651, 178042369]

約数ペア:

[(1, 178042369), (19, 9370651), (71, 2507639), (191, 932159), (691, 257659), (1349, 131981), (3629, 49061), (13129, 13561)]