71728559

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 92067840

約数和(自身を除く): 20339281

約数列:

[1, 7, 17, 23, 73, 119, 161, 359, 391, 511, 1241, 1679, 2513, 2737, 6103, 8257, 8687, 11753, 26207, 28543, 42721, 57799, 140369, 183449, 199801, 445519, 602761, 982583, 3118633, 4219327, 10246937, 71728559]

約数ペア:

[(1, 71728559), (7, 10246937), (17, 4219327), (23, 3118633), (73, 982583), (119, 602761), (161, 445519), (359, 199801), (391, 183449), (511, 140369), (1241, 57799), (1679, 42721), (2513, 28543), (2737, 26207), (6103, 11753), (8257, 8687)]