213501128

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{398323}}^1$

素因数の和:398396

約数の個数: 16

約数和(自身を含む): 406290480

約数和(自身を除く): 192789352

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 398323, 796646, 1593292, 3186584, 26687641, 53375282, 106750564, 213501128]

約数ペア:

[(1, 213501128), (2, 106750564), (4, 53375282), (8, 26687641), (67, 3186584), (134, 1593292), (268, 796646), (536, 398323)]