79890904

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3271}}^1$

素因数の和:3391

約数の個数: 32

約数和(自身を含む): 155485440

約数和(自身を除く): 75594536

約数列:

[1, 2, 4, 8, 43, 71, 86, 142, 172, 284, 344, 568, 3053, 3271, 6106, 6542, 12212, 13084, 24424, 26168, 140653, 232241, 281306, 464482, 562612, 928964, 1125224, 1857928, 9986363, 19972726, 39945452, 79890904]

約数ペア:

[(1, 79890904), (2, 39945452), (4, 19972726), (8, 9986363), (43, 1857928), (71, 1125224), (86, 928964), (142, 562612), (172, 464482), (284, 281306), (344, 232241), (568, 140653), (3053, 26168), (3271, 24424), (6106, 13084), (6542, 12212)]