12931457

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8839}}^1$

素因数の和:8876

約数の個数: 16

約数和(自身を含む): 16972800

約数和(自身を除く): 4041343

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 8839, 61873, 97229, 167941, 680603, 1175587, 1847351, 12931457]

約数ペア:

[(1, 12931457), (7, 1847351), (11, 1175587), (19, 680603), (77, 167941), (133, 97229), (209, 61873), (1463, 8839)]