81030272

素因数分解:

$2^7\times {\mathrm{317}}^1\times {\mathrm{1997}}^1$

素因数の和:2328

約数の個数: 32

約数和(自身を含む): 162017820

約数和(自身を除く): 80987548

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 317, 634, 1268, 1997, 2536, 3994, 5072, 7988, 10144, 15976, 20288, 31952, 40576, 63904, 127808, 255616, 633049, 1266098, 2532196, 5064392, 10128784, 20257568, 40515136, 81030272]

約数ペア:

[(1, 81030272), (2, 40515136), (4, 20257568), (8, 10128784), (16, 5064392), (32, 2532196), (64, 1266098), (128, 633049), (317, 255616), (634, 127808), (1268, 63904), (1997, 40576), (2536, 31952), (3994, 20288), (5072, 15976), (7988, 10144)]