156720016

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{74771}}^1$

素因数の和:74910

約数の個数: 20

約数和(自身を含む): 305967024

約数和(自身を除く): 149247008

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 74771, 149542, 299084, 598168, 1196336, 9795001, 19590002, 39180004, 78360008, 156720016]

約数ペア:

[(1, 156720016), (2, 78360008), (4, 39180004), (8, 19590002), (16, 9795001), (131, 1196336), (262, 598168), (524, 299084), (1048, 149542), (2096, 74771)]