1640343888

素因数分解:

$2^4\times 3^2\times {\mathrm{11391277}}^1$

素因数の和:11391291

約数の個数: 30

約数和(自身を含む): 4590685034

約数和(自身を除く): 2950341146

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 11391277, 22782554, 34173831, 45565108, 68347662, 91130216, 102521493, 136695324, 182260432, 205042986, 273390648, 410085972, 546781296, 820171944, 1640343888]

約数ペア:

[(1, 1640343888), (2, 820171944), (3, 546781296), (4, 410085972), (6, 273390648), (8, 205042986), (9, 182260432), (12, 136695324), (16, 102521493), (18, 91130216), (24, 68347662), (36, 45565108), (48, 34173831), (72, 22782554), (144, 11391277)]