68378492

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9887}}^1$

素因数の和:9930

約数の個数: 48

約数和(自身を含む): 155043840

約数和(自身を除く): 86665348

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 6916, 9887, 19774, 39548, 69209, 128531, 138418, 187853, 257062, 276836, 375706, 514124, 751412, 899717, 1314971, 1799434, 2442089, 2629942, 3598868, 4884178, 5259884, 9768356, 17094623, 34189246, 68378492]

約数ペア:

[(1, 68378492), (2, 34189246), (4, 17094623), (7, 9768356), (13, 5259884), (14, 4884178), (19, 3598868), (26, 2629942), (28, 2442089), (38, 1799434), (52, 1314971), (76, 899717), (91, 751412), (133, 514124), (182, 375706), (247, 276836), (266, 257062), (364, 187853), (494, 138418), (532, 128531), (988, 69209), (1729, 39548), (3458, 19774), (6916, 9887)]