31729808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1297}}^1$

素因数の和:1455

約数の個数: 40

約数和(自身を含む): 67599840

約数和(自身を除く): 35870032

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 139, 176, 278, 556, 1112, 1297, 1529, 2224, 2594, 3058, 5188, 6116, 10376, 12232, 14267, 20752, 24464, 28534, 57068, 114136, 180283, 228272, 360566, 721132, 1442264, 1983113, 2884528, 3966226, 7932452, 15864904, 31729808]

約数ペア:

[(1, 31729808), (2, 15864904), (4, 7932452), (8, 3966226), (11, 2884528), (16, 1983113), (22, 1442264), (44, 721132), (88, 360566), (139, 228272), (176, 180283), (278, 114136), (556, 57068), (1112, 28534), (1297, 24464), (1529, 20752), (2224, 14267), (2594, 12232), (3058, 10376), (5188, 6116)]