31280018

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{203117}}^1$

素因数の和:203137

約数の個数: 16

約数和(自身を含む): 58497984

約数和(自身を除く): 27217966

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 203117, 406234, 1421819, 2234287, 2843638, 4468574, 15640009, 31280018]

約数ペア:

[(1, 31280018), (2, 15640009), (7, 4468574), (11, 2843638), (14, 2234287), (22, 1421819), (77, 406234), (154, 203117)]