20170216

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 42325920

約数和(自身を除く): 22155704

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 121, 134, 242, 268, 311, 484, 536, 622, 737, 968, 1244, 1474, 2488, 2948, 3421, 5896, 6842, 8107, 13684, 16214, 20837, 27368, 32428, 37631, 41674, 64856, 75262, 83348, 150524, 166696, 229207, 301048, 458414, 916828, 1833656, 2521277, 5042554, 10085108, 20170216]

約数ペア:

[(1, 20170216), (2, 10085108), (4, 5042554), (8, 2521277), (11, 1833656), (22, 916828), (44, 458414), (67, 301048), (88, 229207), (121, 166696), (134, 150524), (242, 83348), (268, 75262), (311, 64856), (484, 41674), (536, 37631), (622, 32428), (737, 27368), (968, 20837), (1244, 16214), (1474, 13684), (2488, 8107), (2948, 6842), (3421, 5896)]