1999853156

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1\times {\mathrm{1283}}^1$

素因数の和:1784

約数の個数: 48

約数和(自身を含む): 4038128640

約数和(自身を除く): 2038275484

約数列:

[1, 2, 4, 7, 14, 28, 179, 311, 358, 622, 716, 1244, 1253, 1283, 2177, 2506, 2566, 4354, 5012, 5132, 8708, 8981, 17962, 35924, 55669, 111338, 222676, 229657, 389683, 399013, 459314, 779366, 798026, 918628, 1558732, 1596052, 1607599, 2793091, 3215198, 5586182, 6430396, 11172364, 71423327, 142846654, 285693308, 499963289, 999926578, 1999853156]

約数ペア:

[(1, 1999853156), (2, 999926578), (4, 499963289), (7, 285693308), (14, 142846654), (28, 71423327), (179, 11172364), (311, 6430396), (358, 5586182), (622, 3215198), (716, 2793091), (1244, 1607599), (1253, 1596052), (1283, 1558732), (2177, 918628), (2506, 798026), (2566, 779366), (4354, 459314), (5012, 399013), (5132, 389683), (8708, 229657), (8981, 222676), (17962, 111338), (35924, 55669)]