278031768

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{3931}}^1$

素因数の和:4368

約数の個数: 64

約数和(自身を含む): 796465920

約数和(自身を除く): 518434152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 421, 842, 1263, 1684, 2526, 2947, 3368, 3931, 5052, 5894, 7862, 8841, 10104, 11788, 11793, 15724, 17682, 23576, 23586, 27517, 31448, 35364, 47172, 55034, 70728, 82551, 94344, 110068, 165102, 220136, 330204, 660408, 1654951, 3309902, 4964853, 6619804, 9929706, 11584657, 13239608, 19859412, 23169314, 34753971, 39718824, 46338628, 69507942, 92677256, 139015884, 278031768]

約数ペア:

[(1, 278031768), (2, 139015884), (3, 92677256), (4, 69507942), (6, 46338628), (7, 39718824), (8, 34753971), (12, 23169314), (14, 19859412), (21, 13239608), (24, 11584657), (28, 9929706), (42, 6619804), (56, 4964853), (84, 3309902), (168, 1654951), (421, 660408), (842, 330204), (1263, 220136), (1684, 165102), (2526, 110068), (2947, 94344), (3368, 82551), (3931, 70728), (5052, 55034), (5894, 47172), (7862, 35364), (8841, 31448), (10104, 27517), (11788, 23586), (11793, 23576), (15724, 17682)]