217536172

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{209977}}^1$

素因数の和:210025

約数の個数: 24

約数和(自身を含む): 446833184

約数和(自身を除く): 229297012

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 209977, 419954, 839908, 1469839, 2939678, 5879356, 7769149, 15538298, 31076596, 54384043, 108768086, 217536172]

約数ペア:

[(1, 217536172), (2, 108768086), (4, 54384043), (7, 31076596), (14, 15538298), (28, 7769149), (37, 5879356), (74, 2939678), (148, 1469839), (259, 839908), (518, 419954), (1036, 209977)]