1231505968

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{999599}}^1$

素因数の和:999625

約数の個数: 40

約数和(自身を含む): 2974809600

約数和(自身を除く): 1743303632

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 999599, 1999198, 3998396, 6997193, 7996792, 10995589, 13994386, 15993584, 21991178, 27988772, 43982356, 55977544, 76969123, 87964712, 111955088, 153938246, 175929424, 307876492, 615752984, 1231505968]

約数ペア:

[(1, 1231505968), (2, 615752984), (4, 307876492), (7, 175929424), (8, 153938246), (11, 111955088), (14, 87964712), (16, 76969123), (22, 55977544), (28, 43982356), (44, 27988772), (56, 21991178), (77, 15993584), (88, 13994386), (112, 10995589), (154, 7996792), (176, 6997193), (308, 3998396), (616, 1999198), (1232, 999599)]