9784877880005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3761}}^1\times {\mathrm{711811}}^1$

素因数の和:715637

約数の個数: 32

約数和(自身を含む): 12725080207488

約数和(自身を除く): 2940202327483

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 3761, 18805, 63937, 161723, 319685, 711811, 808615, 2749291, 3559055, 12100787, 13746455, 30607873, 60503935, 153039365, 520333841, 2601669205, 2677121171, 13385605855, 45511059907, 115116210353, 227555299535, 575581051765, 1956975576001, 9784877880005]

約数ペア:

[(1, 9784877880005), (5, 1956975576001), (17, 575581051765), (43, 227555299535), (85, 115116210353), (215, 45511059907), (731, 13385605855), (3655, 2677121171), (3761, 2601669205), (18805, 520333841), (63937, 153039365), (161723, 60503935), (319685, 30607873), (711811, 13746455), (808615, 12100787), (2749291, 3559055)]