87945884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 173295360

約数和(自身を除く): 85349476

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 89, 124, 178, 356, 403, 613, 806, 1157, 1226, 1612, 2314, 2452, 2759, 4628, 5518, 7969, 11036, 15938, 19003, 31876, 35867, 38006, 54557, 71734, 76012, 109114, 143468, 218228, 247039, 494078, 709241, 988156, 1418482, 1691267, 2836964, 3382534, 6765068, 21986471, 43972942, 87945884]

約数ペア:

[(1, 87945884), (2, 43972942), (4, 21986471), (13, 6765068), (26, 3382534), (31, 2836964), (52, 1691267), (62, 1418482), (89, 988156), (124, 709241), (178, 494078), (356, 247039), (403, 218228), (613, 143468), (806, 109114), (1157, 76012), (1226, 71734), (1612, 54557), (2314, 38006), (2452, 35867), (2759, 31876), (4628, 19003), (5518, 15938), (7969, 11036)]