28055556

素因数分解:

$2^2\times 3^2\times {\mathrm{619}}^1\times {\mathrm{1259}}^1$

素因数の和:1888

約数の個数: 36

約数和(自身を含む): 71089200

約数和(自身を除く): 43033644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 619, 1238, 1259, 1857, 2476, 2518, 3714, 3777, 5036, 5571, 7428, 7554, 11142, 11331, 15108, 22284, 22662, 45324, 779321, 1558642, 2337963, 3117284, 4675926, 7013889, 9351852, 14027778, 28055556]

約数ペア:

[(1, 28055556), (2, 14027778), (3, 9351852), (4, 7013889), (6, 4675926), (9, 3117284), (12, 2337963), (18, 1558642), (36, 779321), (619, 45324), (1238, 22662), (1259, 22284), (1857, 15108), (2476, 11331), (2518, 11142), (3714, 7554), (3777, 7428), (5036, 5571)]