78398978

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 148055040

約数和(自身を除く): 69656062

約数列:

[1, 2, 7, 14, 19, 38, 53, 67, 83, 106, 133, 134, 166, 266, 371, 469, 581, 742, 938, 1007, 1162, 1273, 1577, 2014, 2546, 3154, 3551, 4399, 5561, 7049, 7102, 8798, 8911, 11039, 11122, 14098, 17822, 22078, 24857, 30793, 38927, 49714, 61586, 67469, 77854, 83581, 105659, 134938, 167162, 211318, 294733, 472283, 585067, 589466, 739613, 944566, 1170134, 1479226, 2063131, 4126262, 5599927, 11199854, 39199489, 78398978]

約数ペア:

[(1, 78398978), (2, 39199489), (7, 11199854), (14, 5599927), (19, 4126262), (38, 2063131), (53, 1479226), (67, 1170134), (83, 944566), (106, 739613), (133, 589466), (134, 585067), (166, 472283), (266, 294733), (371, 211318), (469, 167162), (581, 134938), (742, 105659), (938, 83581), (1007, 77854), (1162, 67469), (1273, 61586), (1577, 49714), (2014, 38927), (2546, 30793), (3154, 24857), (3551, 22078), (4399, 17822), (5561, 14098), (7049, 11122), (7102, 11039), (8798, 8911)]