27779748

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 70912800

約数和(自身を除く): 43133052

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 89, 111, 114, 148, 178, 222, 228, 267, 356, 444, 534, 703, 1068, 1369, 1406, 1691, 2109, 2738, 2812, 3293, 3382, 4107, 4218, 5073, 5476, 6586, 6764, 8214, 8436, 9879, 10146, 13172, 16428, 19758, 20292, 26011, 39516, 52022, 62567, 78033, 104044, 121841, 125134, 156066, 187701, 243682, 250268, 312132, 365523, 375402, 487364, 731046, 750804, 1462092, 2314979, 4629958, 6944937, 9259916, 13889874, 27779748]

約数ペア:

[(1, 27779748), (2, 13889874), (3, 9259916), (4, 6944937), (6, 4629958), (12, 2314979), (19, 1462092), (37, 750804), (38, 731046), (57, 487364), (74, 375402), (76, 365523), (89, 312132), (111, 250268), (114, 243682), (148, 187701), (178, 156066), (222, 125134), (228, 121841), (267, 104044), (356, 78033), (444, 62567), (534, 52022), (703, 39516), (1068, 26011), (1369, 20292), (1406, 19758), (1691, 16428), (2109, 13172), (2738, 10146), (2812, 9879), (3293, 8436), (3382, 8214), (4107, 6764), (4218, 6586), (5073, 5476)]