168997213

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{853}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 220372992

約数和(自身を除く): 51375779

約数列:

[1, 7, 11, 31, 77, 83, 217, 341, 581, 853, 913, 2387, 2573, 5971, 6391, 9383, 18011, 26443, 28303, 65681, 70799, 185101, 198121, 290873, 495593, 778789, 2036111, 2194769, 5451523, 15363383, 24142459, 168997213]

約数ペア:

[(1, 168997213), (7, 24142459), (11, 15363383), (31, 5451523), (77, 2194769), (83, 2036111), (217, 778789), (341, 495593), (581, 290873), (853, 198121), (913, 185101), (2387, 70799), (2573, 65681), (5971, 28303), (6391, 26443), (9383, 18011)]