39849572

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{15991}}^1$

素因数の和:16091

約数の個数: 24

約数和(自身を含む): 80599680

約数和(自身を除く): 40750108

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 15991, 31982, 63964, 111937, 223874, 447748, 1423199, 2846398, 5692796, 9962393, 19924786, 39849572]

約数ペア:

[(1, 39849572), (2, 19924786), (4, 9962393), (7, 5692796), (14, 2846398), (28, 1423199), (89, 447748), (178, 223874), (356, 111937), (623, 63964), (1246, 31982), (2492, 15991)]