184555721

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 228480000

約数和(自身を除く): 43924279

約数列:

[1, 7, 19, 67, 133, 139, 149, 469, 973, 1043, 1273, 2641, 2831, 8911, 9313, 9983, 18487, 19817, 20711, 65191, 69881, 144977, 176947, 189677, 393509, 1238629, 1327739, 1387637, 2754563, 9713459, 26365103, 184555721]

約数ペア:

[(1, 184555721), (7, 26365103), (19, 9713459), (67, 2754563), (133, 1387637), (139, 1327739), (149, 1238629), (469, 393509), (973, 189677), (1043, 176947), (1273, 144977), (2641, 69881), (2831, 65191), (8911, 20711), (9313, 19817), (9983, 18487)]