138897968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{11779}}^1$

素因数の和:11865

約数の個数: 40

約数和(自身を含む): 297986880

約数和(自身を除く): 159088912

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 67, 88, 134, 176, 268, 536, 737, 1072, 1474, 2948, 5896, 11779, 11792, 23558, 47116, 94232, 129569, 188464, 259138, 518276, 789193, 1036552, 1578386, 2073104, 3156772, 6313544, 8681123, 12627088, 17362246, 34724492, 69448984, 138897968]

約数ペア:

[(1, 138897968), (2, 69448984), (4, 34724492), (8, 17362246), (11, 12627088), (16, 8681123), (22, 6313544), (44, 3156772), (67, 2073104), (88, 1578386), (134, 1036552), (176, 789193), (268, 518276), (536, 259138), (737, 188464), (1072, 129569), (1474, 94232), (2948, 47116), (5896, 23558), (11779, 11792)]