90720328

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{317}}^1\times {\mathrm{431}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 173093760

約数和(自身を除く): 82373432

約数列:

[1, 2, 4, 8, 83, 166, 317, 332, 431, 634, 664, 862, 1268, 1724, 2536, 3448, 26311, 35773, 52622, 71546, 105244, 136627, 143092, 210488, 273254, 286184, 546508, 1093016, 11340041, 22680082, 45360164, 90720328]

約数ペア:

[(1, 90720328), (2, 45360164), (4, 22680082), (8, 11340041), (83, 1093016), (166, 546508), (317, 286184), (332, 273254), (431, 210488), (634, 143092), (664, 136627), (862, 105244), (1268, 71546), (1724, 52622), (2536, 35773), (3448, 26311)]