399291208792

素因数分解:

$2^3\times 7^1\times {\mathrm{7130200157}}^1$

素因数の和:7130200170

約数の個数: 16

約数和(自身を含む): 855624018960

約数和(自身を除く): 456332810168

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 7130200157, 14260400314, 28520800628, 49911401099, 57041601256, 99822802198, 199645604396, 399291208792]

約数ペア:

[(1, 399291208792), (2, 199645604396), (4, 99822802198), (7, 57041601256), (8, 49911401099), (14, 28520800628), (28, 14260400314), (56, 7130200157)]