198425689

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 253034496

約数和(自身を除く): 54608807

約数列:

[1, 7, 11, 77, 103, 127, 197, 721, 889, 1133, 1379, 1397, 2167, 7931, 9779, 13081, 15169, 20291, 25019, 91567, 142037, 143891, 175133, 223201, 275209, 1007237, 1562407, 1926463, 2576957, 18038699, 28346527, 198425689]

約数ペア:

[(1, 198425689), (7, 28346527), (11, 18038699), (77, 2576957), (103, 1926463), (127, 1562407), (197, 1007237), (721, 275209), (889, 223201), (1133, 175133), (1379, 143891), (1397, 142037), (2167, 91567), (7931, 25019), (9779, 20291), (13081, 15169)]