121405744

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{21019}}^1$

素因数の和:21065

約数の個数: 30

約数和(自身を含む): 248267220

約数和(自身を除く): 126861476

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 5776, 21019, 42038, 84076, 168152, 336304, 399361, 798722, 1597444, 3194888, 6389776, 7587859, 15175718, 30351436, 60702872, 121405744]

約数ペア:

[(1, 121405744), (2, 60702872), (4, 30351436), (8, 15175718), (16, 7587859), (19, 6389776), (38, 3194888), (76, 1597444), (152, 798722), (304, 399361), (361, 336304), (722, 168152), (1444, 84076), (2888, 42038), (5776, 21019)]