161769010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{673}}^1$

素因数の和:779

約数の個数: 48

約数和(自身を含む): 321522264

約数和(自身を除く): 159753254

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 673, 1118, 1346, 1849, 2795, 3365, 3698, 5590, 6730, 8749, 9245, 17498, 18490, 24037, 28939, 43745, 48074, 57878, 87490, 120185, 144695, 240370, 289390, 376207, 752414, 1244377, 1881035, 2488754, 3762070, 6221885, 12443770, 16176901, 32353802, 80884505, 161769010]

約数ペア:

[(1, 161769010), (2, 80884505), (5, 32353802), (10, 16176901), (13, 12443770), (26, 6221885), (43, 3762070), (65, 2488754), (86, 1881035), (130, 1244377), (215, 752414), (430, 376207), (559, 289390), (673, 240370), (1118, 144695), (1346, 120185), (1849, 87490), (2795, 57878), (3365, 48074), (3698, 43745), (5590, 28939), (6730, 24037), (8749, 18490), (9245, 17498)]