216858992

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{27271}}^1$

素因数の和:27357

約数の個数: 40

約数和(自身を含む): 486968832

約数和(自身を除く): 270109840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 27271, 54542, 109084, 190897, 218168, 381794, 436336, 763588, 1527176, 1936241, 3054352, 3872482, 7744964, 13553687, 15489928, 27107374, 30979856, 54214748, 108429496, 216858992]

約数ペア:

[(1, 216858992), (2, 108429496), (4, 54214748), (7, 30979856), (8, 27107374), (14, 15489928), (16, 13553687), (28, 7744964), (56, 3872482), (71, 3054352), (112, 1936241), (142, 1527176), (284, 763588), (497, 436336), (568, 381794), (994, 218168), (1136, 190897), (1988, 109084), (3976, 54542), (7952, 27271)]