1286004995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{58309}}^1$

素因数の和:58726

約数の個数: 16

約数和(自身を含む): 1687724640

約数和(自身を除く): 401719645

約数列:

[1, 5, 11, 55, 401, 2005, 4411, 22055, 58309, 291545, 641399, 3206995, 23381909, 116909545, 257200999, 1286004995]

約数ペア:

[(1, 1286004995), (5, 257200999), (11, 116909545), (55, 23381909), (401, 3206995), (2005, 641399), (4411, 291545), (22055, 58309)]