1220945488

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{85837}}^1$

素因数の和:85979

約数の個数: 40

約数和(自身を含む): 2724841472

約数和(自身を除く): 1503895984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1778, 2032, 3556, 7112, 14224, 85837, 171674, 343348, 600859, 686696, 1201718, 1373392, 2403436, 4806872, 9613744, 10901299, 21802598, 43605196, 76309093, 87210392, 152618186, 174420784, 305236372, 610472744, 1220945488]

約数ペア:

[(1, 1220945488), (2, 610472744), (4, 305236372), (7, 174420784), (8, 152618186), (14, 87210392), (16, 76309093), (28, 43605196), (56, 21802598), (112, 10901299), (127, 9613744), (254, 4806872), (508, 2403436), (889, 1373392), (1016, 1201718), (1778, 686696), (2032, 600859), (3556, 343348), (7112, 171674), (14224, 85837)]