81858042

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1168

約数の個数: 96

約数和(自身を含む): 220446720

約数和(自身を除く): 138588678

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 31, 38, 42, 57, 62, 63, 93, 114, 126, 133, 171, 186, 217, 266, 279, 342, 399, 434, 558, 589, 651, 798, 1103, 1178, 1197, 1302, 1767, 1953, 2206, 2394, 3309, 3534, 3906, 4123, 5301, 6618, 7721, 8246, 9927, 10602, 12369, 15442, 19854, 20957, 23163, 24738, 34193, 37107, 41914, 46326, 62871, 68386, 69489, 74214, 102579, 125742, 138978, 146699, 188613, 205158, 239351, 293398, 307737, 377226, 440097, 478702, 615474, 649667, 718053, 880194, 1299334, 1320291, 1436106, 1949001, 2154159, 2640582, 3898002, 4308318, 4547669, 5847003, 9095338, 11694006, 13643007, 27286014, 40929021, 81858042]

約数ペア:

[(1, 81858042), (2, 40929021), (3, 27286014), (6, 13643007), (7, 11694006), (9, 9095338), (14, 5847003), (18, 4547669), (19, 4308318), (21, 3898002), (31, 2640582), (38, 2154159), (42, 1949001), (57, 1436106), (62, 1320291), (63, 1299334), (93, 880194), (114, 718053), (126, 649667), (133, 615474), (171, 478702), (186, 440097), (217, 377226), (266, 307737), (279, 293398), (342, 239351), (399, 205158), (434, 188613), (558, 146699), (589, 138978), (651, 125742), (798, 102579), (1103, 74214), (1178, 69489), (1197, 68386), (1302, 62871), (1767, 46326), (1953, 41914), (2206, 37107), (2394, 34193), (3309, 24738), (3534, 23163), (3906, 20957), (4123, 19854), (5301, 15442), (6618, 12369), (7721, 10602), (8246, 9927)]