66684965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 90097920

約数和(自身を除く): 23412955

約数列:

[1, 5, 17, 19, 85, 95, 157, 263, 323, 785, 1315, 1615, 2669, 2983, 4471, 4997, 13345, 14915, 22355, 24985, 41291, 50711, 84949, 206455, 253555, 424745, 701947, 784529, 3509735, 3922645, 13336993, 66684965]

約数ペア:

[(1, 66684965), (5, 13336993), (17, 3922645), (19, 3509735), (85, 784529), (95, 701947), (157, 424745), (263, 253555), (323, 206455), (785, 84949), (1315, 50711), (1615, 41291), (2669, 24985), (2983, 22355), (4471, 14915), (4997, 13345)]