12247642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{7841}}^1$

素因数の和:7925

約数の個数: 16

約数和(自身を含む): 20326464

約数和(自身を除く): 8078822

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 7841, 15682, 86251, 172502, 556711, 1113422, 6123821, 12247642]

約数ペア:

[(1, 12247642), (2, 6123821), (11, 1113422), (22, 556711), (71, 172502), (142, 86251), (781, 15682), (1562, 7841)]