987861511

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{25423}}^1$

素因数の和:25511

約数の個数: 24

約数和(自身を含む): 1257877824

約数和(自身を除く): 270016313

約数列:

[1, 7, 13, 49, 61, 91, 427, 637, 793, 2989, 5551, 25423, 38857, 177961, 330499, 1245727, 1550803, 2313493, 10855621, 16194451, 20160439, 75989347, 141123073, 987861511]

約数ペア:

[(1, 987861511), (7, 141123073), (13, 75989347), (49, 20160439), (61, 16194451), (91, 10855621), (427, 2313493), (637, 1550803), (793, 1245727), (2989, 330499), (5551, 177961), (25423, 38857)]