64431406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 107039520

約数和(自身を除く): 42608114

約数列:

[1, 2, 13, 26, 73, 83, 146, 166, 409, 818, 949, 1079, 1898, 2158, 5317, 6059, 10634, 12118, 29857, 33947, 59714, 67894, 78767, 157534, 388141, 441311, 776282, 882622, 2478131, 4956262, 32215703, 64431406]

約数ペア:

[(1, 64431406), (2, 32215703), (13, 4956262), (26, 2478131), (73, 882622), (83, 776282), (146, 441311), (166, 388141), (409, 157534), (818, 78767), (949, 67894), (1079, 59714), (1898, 33947), (2158, 29857), (5317, 12118), (6059, 10634)]