68431918

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1\times {\mathrm{643}}^1$

素因数の和:1191

約数の個数: 16

約数和(自身を含む): 103864320

約数和(自身を除く): 35432402

約数列:

[1, 2, 127, 254, 419, 643, 838, 1286, 53213, 81661, 106426, 163322, 269417, 538834, 34215959, 68431918]

約数ペア:

[(1, 68431918), (2, 34215959), (127, 538834), (254, 269417), (419, 163322), (643, 106426), (838, 81661), (1286, 53213)]