256216435

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1579}}^1$

素因数の和:1707

約数の個数: 32

約数和(自身を含む): 344010240

約数和(自身を除く): 87793805

約数列:

[1, 5, 17, 23, 83, 85, 115, 391, 415, 1411, 1579, 1909, 1955, 7055, 7895, 9545, 26843, 32453, 36317, 131057, 134215, 162265, 181585, 617389, 655285, 2227969, 3014311, 3086945, 11139845, 15071555, 51243287, 256216435]

約数ペア:

[(1, 256216435), (5, 51243287), (17, 15071555), (23, 11139845), (83, 3086945), (85, 3014311), (115, 2227969), (391, 655285), (415, 617389), (1411, 181585), (1579, 162265), (1909, 134215), (1955, 131057), (7055, 36317), (7895, 32453), (9545, 26843)]