216305816

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{67427}}^1$

素因数の和:67834

約数の個数: 16

約数和(自身を含む): 406590840

約数和(自身を除く): 190285024

約数列:

[1, 2, 4, 8, 401, 802, 1604, 3208, 67427, 134854, 269708, 539416, 27038227, 54076454, 108152908, 216305816]

約数ペア:

[(1, 216305816), (2, 108152908), (4, 54076454), (8, 27038227), (401, 539416), (802, 269708), (1604, 134854), (3208, 67427)]