28065972

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2389}}^1$

素因数の和:2496

約数の個数: 48

約数和(自身を含む): 72273600

約数和(自身を除く): 44207628

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 89, 132, 178, 267, 356, 534, 979, 1068, 1958, 2389, 2937, 3916, 4778, 5874, 7167, 9556, 11748, 14334, 26279, 28668, 52558, 78837, 105116, 157674, 212621, 315348, 425242, 637863, 850484, 1275726, 2338831, 2551452, 4677662, 7016493, 9355324, 14032986, 28065972]

約数ペア:

[(1, 28065972), (2, 14032986), (3, 9355324), (4, 7016493), (6, 4677662), (11, 2551452), (12, 2338831), (22, 1275726), (33, 850484), (44, 637863), (66, 425242), (89, 315348), (132, 212621), (178, 157674), (267, 105116), (356, 78837), (534, 52558), (979, 28668), (1068, 26279), (1958, 14334), (2389, 11748), (2937, 9556), (3916, 7167), (4778, 5874)]