16427216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{78977}}^1$

素因数の和:78998

約数の個数: 20

約数和(自身を含む): 34276452

約数和(自身を除く): 17849236

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 78977, 157954, 315908, 631816, 1026701, 1263632, 2053402, 4106804, 8213608, 16427216]

約数ペア:

[(1, 16427216), (2, 8213608), (4, 4106804), (8, 2053402), (13, 1263632), (16, 1026701), (26, 631816), (52, 315908), (104, 157954), (208, 78977)]