81121504

素因数分解:

$2^5\times {\mathrm{127}}^1\times {\mathrm{19961}}^1$

素因数の和:20098

約数の個数: 24

約数和(自身を含む): 160973568

約数和(自身を除く): 79852064

約数列:

[1, 2, 4, 8, 16, 32, 127, 254, 508, 1016, 2032, 4064, 19961, 39922, 79844, 159688, 319376, 638752, 2535047, 5070094, 10140188, 20280376, 40560752, 81121504]

約数ペア:

[(1, 81121504), (2, 40560752), (4, 20280376), (8, 10140188), (16, 5070094), (32, 2535047), (127, 638752), (254, 319376), (508, 159688), (1016, 79844), (2032, 39922), (4064, 19961)]