248889290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{4153}}^1$

素因数の和:4634

約数の個数: 32

約数和(自身を含む): 483625296

約数和(自身を除く): 234736006

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 461, 922, 2305, 4153, 4610, 5993, 8306, 11986, 20765, 29965, 41530, 53989, 59930, 107978, 269945, 539890, 1914533, 3829066, 9572665, 19145330, 24888929, 49777858, 124444645, 248889290]

約数ペア:

[(1, 248889290), (2, 124444645), (5, 49777858), (10, 24888929), (13, 19145330), (26, 9572665), (65, 3829066), (130, 1914533), (461, 539890), (922, 269945), (2305, 107978), (4153, 59930), (4610, 53989), (5993, 41530), (8306, 29965), (11986, 20765)]