81688212

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{28723}}^1$

素因数の和:28812

約数の個数: 36

約数和(自身を含む): 209110720

約数和(自身を除く): 127422508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 28723, 57446, 86169, 114892, 172338, 258507, 344676, 517014, 1034028, 2269117, 4538234, 6807351, 9076468, 13614702, 20422053, 27229404, 40844106, 81688212]

約数ペア:

[(1, 81688212), (2, 40844106), (3, 27229404), (4, 20422053), (6, 13614702), (9, 9076468), (12, 6807351), (18, 4538234), (36, 2269117), (79, 1034028), (158, 517014), (237, 344676), (316, 258507), (474, 172338), (711, 114892), (948, 86169), (1422, 57446), (2844, 28723)]