31387312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1283}}^1$

素因数の和:1441

約数の個数: 40

約数和(自身を含む): 66870720

約数和(自身を除く): 35483408

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 139, 176, 278, 556, 1112, 1283, 1529, 2224, 2566, 3058, 5132, 6116, 10264, 12232, 14113, 20528, 24464, 28226, 56452, 112904, 178337, 225808, 356674, 713348, 1426696, 1961707, 2853392, 3923414, 7846828, 15693656, 31387312]

約数ペア:

[(1, 31387312), (2, 15693656), (4, 7846828), (8, 3923414), (11, 2853392), (16, 1961707), (22, 1426696), (44, 713348), (88, 356674), (139, 225808), (176, 178337), (278, 112904), (556, 56452), (1112, 28226), (1283, 24464), (1529, 20528), (2224, 14113), (2566, 12232), (3058, 10264), (5132, 6116)]