217855846

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{19441}}^1$

素因数の和:19887

約数の個数: 16

約数和(自身を含む): 352755648

約数和(自身を除く): 134899802

約数列:

[1, 2, 13, 26, 431, 862, 5603, 11206, 19441, 38882, 252733, 505466, 8379071, 16758142, 108927923, 217855846]

約数ペア:

[(1, 217855846), (2, 108927923), (13, 16758142), (26, 8379071), (431, 505466), (862, 252733), (5603, 38882), (11206, 19441)]