231418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 16

約数和(自身を含む): 386784

約数和(自身を除く): 155366

約数列:

[1, 2, 11, 22, 67, 134, 157, 314, 737, 1474, 1727, 3454, 10519, 21038, 115709, 231418]

約数ペア:

[(1, 231418), (2, 115709), (11, 21038), (22, 10519), (67, 3454), (134, 1727), (157, 1474), (314, 737)]