1279587775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1297}}^1$

素因数の和:1424

約数の個数: 48

約数和(自身を含む): 1751157760

約数和(自身を除く): 471569985

約数列:

[1, 5, 19, 25, 31, 67, 95, 155, 335, 475, 589, 775, 1273, 1297, 1675, 2077, 2945, 6365, 6485, 10385, 14725, 24643, 31825, 32425, 39463, 40207, 51925, 86899, 123215, 197315, 201035, 434495, 616075, 763933, 986575, 1005175, 1651081, 2172475, 2693869, 3819665, 8255405, 13469345, 19098325, 41277025, 51183511, 67346725, 255917555, 1279587775]

約数ペア:

[(1, 1279587775), (5, 255917555), (19, 67346725), (25, 51183511), (31, 41277025), (67, 19098325), (95, 13469345), (155, 8255405), (335, 3819665), (475, 2693869), (589, 2172475), (775, 1651081), (1273, 1005175), (1297, 986575), (1675, 763933), (2077, 616075), (2945, 434495), (6365, 201035), (6485, 197315), (10385, 123215), (14725, 86899), (24643, 51925), (31825, 40207), (32425, 39463)]