402477978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{911}}^1$

素因数の和:1147

約数の個数: 64

約数和(自身を含む): 940658688

約数和(自身を除く): 538180710

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 157, 201, 314, 402, 469, 471, 911, 938, 942, 1099, 1407, 1822, 2198, 2733, 2814, 3297, 5466, 6377, 6594, 10519, 12754, 19131, 21038, 31557, 38262, 61037, 63114, 73633, 122074, 143027, 147266, 183111, 220899, 286054, 366222, 427259, 429081, 441798, 854518, 858162, 1001189, 1281777, 2002378, 2563554, 3003567, 6007134, 9582809, 19165618, 28748427, 57496854, 67079663, 134159326, 201238989, 402477978]

約数ペア:

[(1, 402477978), (2, 201238989), (3, 134159326), (6, 67079663), (7, 57496854), (14, 28748427), (21, 19165618), (42, 9582809), (67, 6007134), (134, 3003567), (157, 2563554), (201, 2002378), (314, 1281777), (402, 1001189), (469, 858162), (471, 854518), (911, 441798), (938, 429081), (942, 427259), (1099, 366222), (1407, 286054), (1822, 220899), (2198, 183111), (2733, 147266), (2814, 143027), (3297, 122074), (5466, 73633), (6377, 63114), (6594, 61037), (10519, 38262), (12754, 31557), (19131, 21038)]