1438591

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:199

約数の個数: 24

約数和(自身を含む): 1945296

約数和(自身を除く): 506705

約数列:

[1, 7, 11, 17, 49, 77, 119, 157, 187, 539, 833, 1099, 1309, 1727, 2669, 7693, 9163, 12089, 18683, 29359, 84623, 130781, 205513, 1438591]

約数ペア:

[(1, 1438591), (7, 205513), (11, 130781), (17, 84623), (49, 29359), (77, 18683), (119, 12089), (157, 9163), (187, 7693), (539, 2669), (833, 1727), (1099, 1309)]