39897928

素因数分解:

$2^3\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1559}}^1$

素因数の和:2029

約数の個数: 32

約数和(自身を含む): 85737600

約数和(自身を除く): 45839672

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 457, 914, 1559, 1828, 3118, 3199, 3656, 6236, 6398, 10913, 12472, 12796, 21826, 25592, 43652, 87304, 712463, 1424926, 2849852, 4987241, 5699704, 9974482, 19948964, 39897928]

約数ペア:

[(1, 39897928), (2, 19948964), (4, 9974482), (7, 5699704), (8, 4987241), (14, 2849852), (28, 1424926), (56, 712463), (457, 87304), (914, 43652), (1559, 25592), (1828, 21826), (3118, 12796), (3199, 12472), (3656, 10913), (6236, 6398)]