1581809968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{47599}}^1$

素因数の和:47705

約数の個数: 40

約数和(自身を含む): 3210905600

約数和(自身を除く): 1629095632

約数列:

[1, 2, 4, 8, 16, 31, 62, 67, 124, 134, 248, 268, 496, 536, 1072, 2077, 4154, 8308, 16616, 33232, 47599, 95198, 190396, 380792, 761584, 1475569, 2951138, 3189133, 5902276, 6378266, 11804552, 12756532, 23609104, 25513064, 51026128, 98863123, 197726246, 395452492, 790904984, 1581809968]

約数ペア:

[(1, 1581809968), (2, 790904984), (4, 395452492), (8, 197726246), (16, 98863123), (31, 51026128), (62, 25513064), (67, 23609104), (124, 12756532), (134, 11804552), (248, 6378266), (268, 5902276), (496, 3189133), (536, 2951138), (1072, 1475569), (2077, 761584), (4154, 380792), (8308, 190396), (16616, 95198), (33232, 47599)]