208501916

素因数分解:

$2^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{11617}}^1$

素因数の和:12269

約数の個数: 24

約数和(自身を含む): 417690336

約数和(自身を除く): 209188420

約数列:

[1, 2, 4, 7, 14, 28, 641, 1282, 2564, 4487, 8974, 11617, 17948, 23234, 46468, 81319, 162638, 325276, 7446497, 14892994, 29785988, 52125479, 104250958, 208501916]

約数ペア:

[(1, 208501916), (2, 104250958), (4, 52125479), (7, 29785988), (14, 14892994), (28, 7446497), (641, 325276), (1282, 162638), (2564, 81319), (4487, 46468), (8974, 23234), (11617, 17948)]