71745848

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{823}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 142832160

約数和(自身を除く): 71086312

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 641, 823, 1282, 1646, 2564, 3292, 5128, 6584, 10897, 13991, 21794, 27982, 43588, 55964, 87176, 111928, 527543, 1055086, 2110172, 4220344, 8968231, 17936462, 35872924, 71745848]

約数ペア:

[(1, 71745848), (2, 35872924), (4, 17936462), (8, 8968231), (17, 4220344), (34, 2110172), (68, 1055086), (136, 527543), (641, 111928), (823, 87176), (1282, 55964), (1646, 43588), (2564, 27982), (3292, 21794), (5128, 13991), (6584, 10897)]