78661564

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{79}}^2\times {\mathrm{137}}^1$

素因数の和:322

約数の個数: 36

約数和(自身を含む): 146546064

約数和(自身を除く): 67884500

約数列:

[1, 2, 4, 23, 46, 79, 92, 137, 158, 274, 316, 548, 1817, 3151, 3634, 6241, 6302, 7268, 10823, 12482, 12604, 21646, 24964, 43292, 143543, 248929, 287086, 497858, 574172, 855017, 995716, 1710034, 3420068, 19665391, 39330782, 78661564]

約数ペア:

[(1, 78661564), (2, 39330782), (4, 19665391), (23, 3420068), (46, 1710034), (79, 995716), (92, 855017), (137, 574172), (158, 497858), (274, 287086), (316, 248929), (548, 143543), (1817, 43292), (3151, 24964), (3634, 21646), (6241, 12604), (6302, 12482), (7268, 10823)]