31223479

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7573}}^1$

素因数の和:7630

約数の個数: 16

約数和(自身を含む): 38778880

約数和(自身を除く): 7555401

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 7573, 53011, 143887, 234763, 1007209, 1643341, 4460497, 31223479]

約数ペア:

[(1, 31223479), (7, 4460497), (19, 1643341), (31, 1007209), (133, 234763), (217, 143887), (589, 53011), (4123, 7573)]