81162256

素因数分解:

$2^4\times 7^1\times {\mathrm{683}}^1\times {\mathrm{1061}}^1$

素因数の和:1759

約数の個数: 40

約数和(自身を含む): 180149184

約数和(自身を除く): 98986928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 683, 1061, 1366, 2122, 2732, 4244, 4781, 5464, 7427, 8488, 9562, 10928, 14854, 16976, 19124, 29708, 38248, 59416, 76496, 118832, 724663, 1449326, 2898652, 5072641, 5797304, 10145282, 11594608, 20290564, 40581128, 81162256]

約数ペア:

[(1, 81162256), (2, 40581128), (4, 20290564), (7, 11594608), (8, 10145282), (14, 5797304), (16, 5072641), (28, 2898652), (56, 1449326), (112, 724663), (683, 118832), (1061, 76496), (1366, 59416), (2122, 38248), (2732, 29708), (4244, 19124), (4781, 16976), (5464, 14854), (7427, 10928), (8488, 9562)]