77872295

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{1949}}^1$

素因数の和:2146

約数の個数: 16

約数和(自身を含む): 95752800

約数和(自身を除く): 17880505

約数列:

[1, 5, 61, 131, 305, 655, 1949, 7991, 9745, 39955, 118889, 255319, 594445, 1276595, 15574459, 77872295]

約数ペア:

[(1, 77872295), (5, 15574459), (61, 1276595), (131, 594445), (305, 255319), (655, 118889), (1949, 39955), (7991, 9745)]