157779748

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{71329}}^1$

素因数の和:71419

約数の個数: 24

約数和(自身を含む): 319558400

約数和(自身を除く): 161778652

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 71329, 142658, 285316, 499303, 998606, 1997212, 5634991, 11269982, 22539964, 39444937, 78889874, 157779748]

約数ペア:

[(1, 157779748), (2, 78889874), (4, 39444937), (7, 22539964), (14, 11269982), (28, 5634991), (79, 1997212), (158, 998606), (316, 499303), (553, 285316), (1106, 142658), (2212, 71329)]