215388616

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{104761}}^1$

素因数の和:105024

約数の個数: 16

約数和(自身を含む): 405428940

約数和(自身を除く): 190040324

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 104761, 209522, 419044, 838088, 26923577, 53847154, 107694308, 215388616]

約数ペア:

[(1, 215388616), (2, 107694308), (4, 53847154), (8, 26923577), (257, 838088), (514, 419044), (1028, 209522), (2056, 104761)]