157786945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 207152640

約数和(自身を除く): 49365695

約数列:

[1, 5, 17, 59, 73, 85, 295, 365, 431, 1003, 1241, 2155, 4307, 5015, 6205, 7327, 21535, 25429, 31463, 36635, 73219, 127145, 157315, 366095, 432293, 534871, 1856317, 2161465, 2674355, 9281585, 31557389, 157786945]

約数ペア:

[(1, 157786945), (5, 31557389), (17, 9281585), (59, 2674355), (73, 2161465), (85, 1856317), (295, 534871), (365, 432293), (431, 366095), (1003, 157315), (1241, 127145), (2155, 73219), (4307, 36635), (5015, 31463), (6205, 25429), (7327, 21535)]