291250936

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{991}}^1\times {\mathrm{2161}}^1$

素因数の和:3175

約数の個数: 32

約数和(自身を含む): 579070080

約数和(自身を除く): 287819144

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 991, 1982, 2161, 3964, 4322, 7928, 8644, 16847, 17288, 33694, 36737, 67388, 73474, 134776, 146948, 293896, 2141551, 4283102, 8566204, 17132408, 36406367, 72812734, 145625468, 291250936]

約数ペア:

[(1, 291250936), (2, 145625468), (4, 72812734), (8, 36406367), (17, 17132408), (34, 8566204), (68, 4283102), (136, 2141551), (991, 293896), (1982, 146948), (2161, 134776), (3964, 73474), (4322, 67388), (7928, 36737), (8644, 33694), (16847, 17288)]