13121334940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1398863}}^1$

素因数の和:1398946

約数の個数: 48

約数和(自身を含む): 31961244672

約数和(自身を除く): 18839909732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 1398863, 2797726, 5595452, 6994315, 9792041, 13988630, 19584082, 27977260, 39168164, 48960205, 93723821, 97920410, 187447642, 195840820, 374895284, 468619105, 656066747, 937238210, 1312133494, 1874476420, 2624266988, 3280333735, 6560667470, 13121334940]

約数ペア:

[(1, 13121334940), (2, 6560667470), (4, 3280333735), (5, 2624266988), (7, 1874476420), (10, 1312133494), (14, 937238210), (20, 656066747), (28, 468619105), (35, 374895284), (67, 195840820), (70, 187447642), (134, 97920410), (140, 93723821), (268, 48960205), (335, 39168164), (469, 27977260), (670, 19584082), (938, 13988630), (1340, 9792041), (1876, 6994315), (2345, 5595452), (4690, 2797726), (9380, 1398863)]