55146721

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 67421760

約数和(自身を除く): 12275039

約数列:

[1, 7, 19, 133, 139, 157, 361, 973, 1099, 2527, 2641, 2983, 18487, 20881, 21823, 50179, 56677, 152761, 351253, 396739, 414637, 2902459, 7878103, 55146721]

約数ペア:

[(1, 55146721), (7, 7878103), (19, 2902459), (133, 414637), (139, 396739), (157, 351253), (361, 152761), (973, 56677), (1099, 50179), (2527, 21823), (2641, 20881), (2983, 18487)]