55978715

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2137}}^1$

素因数の和:2199

約数の個数: 24

約数和(自身を含む): 75120768

約数和(自身を除く): 19142053

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 845, 2015, 2137, 5239, 10685, 26195, 27781, 66247, 138905, 331235, 361153, 861211, 1805765, 4306055, 11195743, 55978715]

約数ペア:

[(1, 55978715), (5, 11195743), (13, 4306055), (31, 1805765), (65, 861211), (155, 361153), (169, 331235), (403, 138905), (845, 66247), (2015, 27781), (2137, 26195), (5239, 10685)]