217491386

素因数分解:

$2^1\times 7^1\times {\mathrm{2851}}^1\times {\mathrm{5449}}^1$

素因数の和:8309

約数の個数: 16

約数和(自身を含む): 373041600

約数和(自身を除く): 155550214

約数列:

[1, 2, 7, 14, 2851, 5449, 5702, 10898, 19957, 38143, 39914, 76286, 15535099, 31070198, 108745693, 217491386]

約数ペア:

[(1, 217491386), (2, 108745693), (7, 31070198), (14, 15535099), (2851, 76286), (5449, 39914), (5702, 38143), (10898, 19957)]