16980502

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1553}}^1$

素因数の和:1644

約数の個数: 32

約数和(自身を含む): 32223744

約数和(自身を除く): 15243242

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 142, 154, 497, 781, 994, 1553, 1562, 3106, 5467, 10871, 10934, 17083, 21742, 34166, 110263, 119581, 220526, 239162, 771841, 1212893, 1543682, 2425786, 8490251, 16980502]

約数ペア:

[(1, 16980502), (2, 8490251), (7, 2425786), (11, 1543682), (14, 1212893), (22, 771841), (71, 239162), (77, 220526), (142, 119581), (154, 110263), (497, 34166), (781, 21742), (994, 17083), (1553, 10934), (1562, 10871), (3106, 5467)]