28470276

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 75339264

約数和(自身を除く): 46868988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 97, 124, 186, 194, 263, 279, 291, 372, 388, 526, 558, 582, 789, 873, 1052, 1116, 1164, 1578, 1746, 2367, 3007, 3156, 3492, 4734, 6014, 8153, 9021, 9468, 12028, 16306, 18042, 24459, 25511, 27063, 32612, 36084, 48918, 51022, 54126, 73377, 76533, 97836, 102044, 108252, 146754, 153066, 229599, 293508, 306132, 459198, 790841, 918396, 1581682, 2372523, 3163364, 4745046, 7117569, 9490092, 14235138, 28470276]

約数ペア:

[(1, 28470276), (2, 14235138), (3, 9490092), (4, 7117569), (6, 4745046), (9, 3163364), (12, 2372523), (18, 1581682), (31, 918396), (36, 790841), (62, 459198), (93, 306132), (97, 293508), (124, 229599), (186, 153066), (194, 146754), (263, 108252), (279, 102044), (291, 97836), (372, 76533), (388, 73377), (526, 54126), (558, 51022), (582, 48918), (789, 36084), (873, 32612), (1052, 27063), (1116, 25511), (1164, 24459), (1578, 18042), (1746, 16306), (2367, 12028), (3007, 9468), (3156, 9021), (3492, 8153), (4734, 6014)]