161856805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{12211}}^1$

素因数の和:12468

約数の個数: 16

約数和(自身を含む): 212781888

約数和(自身を除く): 50925083

約数列:

[1, 5, 11, 55, 241, 1205, 2651, 12211, 13255, 61055, 134321, 671605, 2942851, 14714255, 32371361, 161856805]

約数ペア:

[(1, 161856805), (5, 32371361), (11, 14714255), (55, 2942851), (241, 671605), (1205, 134321), (2651, 61055), (12211, 13255)]