148571423

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 204492288

約数和(自身を除く): 55920865

約数列:

[1, 7, 11, 13, 77, 91, 103, 121, 131, 143, 721, 847, 917, 1001, 1133, 1339, 1441, 1573, 1703, 7931, 9373, 10087, 11011, 11921, 12463, 13493, 14729, 15851, 18733, 87241, 94451, 103103, 110957, 131131, 148423, 162019, 175409, 206063, 1038961, 1134133, 1227863, 1442441, 1632653, 1929499, 11428571, 13506493, 21224489, 148571423]

約数ペア:

[(1, 148571423), (7, 21224489), (11, 13506493), (13, 11428571), (77, 1929499), (91, 1632653), (103, 1442441), (121, 1227863), (131, 1134133), (143, 1038961), (721, 206063), (847, 175409), (917, 162019), (1001, 148423), (1133, 131131), (1339, 110957), (1441, 103103), (1573, 94451), (1703, 87241), (7931, 18733), (9373, 15851), (10087, 14729), (11011, 13493), (11921, 12463)]