27990928

素因数分解:

$2^4\times 7^1\times {\mathrm{491}}^1\times {\mathrm{509}}^1$

素因数の和:1015

約数の個数: 40

約数和(自身を含む): 62228160

約数和(自身を除く): 34237232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 491, 509, 982, 1018, 1964, 2036, 3437, 3563, 3928, 4072, 6874, 7126, 7856, 8144, 13748, 14252, 27496, 28504, 54992, 57008, 249919, 499838, 999676, 1749433, 1999352, 3498866, 3998704, 6997732, 13995464, 27990928]

約数ペア:

[(1, 27990928), (2, 13995464), (4, 6997732), (7, 3998704), (8, 3498866), (14, 1999352), (16, 1749433), (28, 999676), (56, 499838), (112, 249919), (491, 57008), (509, 54992), (982, 28504), (1018, 27496), (1964, 14252), (2036, 13748), (3437, 8144), (3563, 7856), (3928, 7126), (4072, 6874)]