217423856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1045307}}^1$

素因数の和:1045328

約数の個数: 20

約数和(自身を含む): 453663672

約数和(自身を除く): 236239816

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1045307, 2090614, 4181228, 8362456, 13588991, 16724912, 27177982, 54355964, 108711928, 217423856]

約数ペア:

[(1, 217423856), (2, 108711928), (4, 54355964), (8, 27177982), (13, 16724912), (16, 13588991), (26, 8362456), (52, 4181228), (104, 2090614), (208, 1045307)]