31143112

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3889}}^1$

素因数の和:3926

約数の個数: 64

約数和(自身を含む): 78422400

約数和(自身を除く): 47279288

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 3889, 4004, 7778, 8008, 15556, 27223, 31112, 42779, 50557, 54446, 85558, 101114, 108892, 171116, 202228, 217784, 299453, 342232, 353899, 404456, 556127, 598906, 707798, 1112254, 1197812, 1415596, 2224508, 2395624, 2831192, 3892889, 4449016, 7785778, 15571556, 31143112]

約数ペア:

[(1, 31143112), (2, 15571556), (4, 7785778), (7, 4449016), (8, 3892889), (11, 2831192), (13, 2395624), (14, 2224508), (22, 1415596), (26, 1197812), (28, 1112254), (44, 707798), (52, 598906), (56, 556127), (77, 404456), (88, 353899), (91, 342232), (104, 299453), (143, 217784), (154, 202228), (182, 171116), (286, 108892), (308, 101114), (364, 85558), (572, 54446), (616, 50557), (728, 42779), (1001, 31112), (1144, 27223), (2002, 15556), (3889, 8008), (4004, 7778)]