646118384

素因数分解:

$2^4\times {\mathrm{523}}^1\times {\mathrm{77213}}^1$

素因数の和:77744

約数の個数: 20

約数和(自身を含む): 1254264216

約数和(自身を除く): 608145832

約数列:

[1, 2, 4, 8, 16, 523, 1046, 2092, 4184, 8368, 77213, 154426, 308852, 617704, 1235408, 40382399, 80764798, 161529596, 323059192, 646118384]

約数ペア:

[(1, 646118384), (2, 323059192), (4, 161529596), (8, 80764798), (16, 40382399), (523, 1235408), (1046, 617704), (2092, 308852), (4184, 154426), (8368, 77213)]