243885616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{5557}}^1$

素因数の和:5789

約数の個数: 40

約数和(自身を含む): 511380464

約数和(自身を除く): 267494848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 211, 422, 844, 1688, 2743, 3376, 5486, 5557, 10972, 11114, 21944, 22228, 43888, 44456, 72241, 88912, 144482, 288964, 577928, 1155856, 1172527, 2345054, 4690108, 9380216, 15242851, 18760432, 30485702, 60971404, 121942808, 243885616]

約数ペア:

[(1, 243885616), (2, 121942808), (4, 60971404), (8, 30485702), (13, 18760432), (16, 15242851), (26, 9380216), (52, 4690108), (104, 2345054), (208, 1172527), (211, 1155856), (422, 577928), (844, 288964), (1688, 144482), (2743, 88912), (3376, 72241), (5486, 44456), (5557, 43888), (10972, 22228), (11114, 21944)]