2154955201

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{1091}}^1\times {\mathrm{2909}}^1$

素因数の和:4104

約数の個数: 16

約数和(自身を含む): 2491332480

約数和(自身を除く): 336377279

約数列:

[1, 7, 97, 679, 1091, 2909, 7637, 20363, 105827, 282173, 740789, 1975211, 3173719, 22216033, 307850743, 2154955201]

約数ペア:

[(1, 2154955201), (7, 307850743), (97, 22216033), (679, 3173719), (1091, 1975211), (2909, 740789), (7637, 282173), (20363, 105827)]