55805981

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31511}}^1$

素因数の和:31552

約数の個数: 16

約数和(自身を含む): 72603648

約数和(自身を除く): 16797667

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 31511, 220577, 346621, 724753, 2426347, 5073271, 7972283, 55805981]

約数ペア:

[(1, 55805981), (7, 7972283), (11, 5073271), (23, 2426347), (77, 724753), (161, 346621), (253, 220577), (1771, 31511)]