7980665

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 12579840

約数和(自身を除く): 4599175

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1091, 1463, 5455, 7315, 7637, 12001, 20729, 38185, 60005, 84007, 103645, 145103, 228019, 420035, 725515, 1140095, 1596133, 7980665]

約数ペア:

[(1, 7980665), (5, 1596133), (7, 1140095), (11, 725515), (19, 420035), (35, 228019), (55, 145103), (77, 103645), (95, 84007), (133, 60005), (209, 38185), (385, 20729), (665, 12001), (1045, 7637), (1091, 7315), (1463, 5455)]