161995190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53819}}^1$

素因数の和:53876

約数の個数: 32

約数和(自身を含む): 341003520

約数和(自身を除く): 179008330

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 53819, 107638, 269095, 376733, 538190, 753466, 1883665, 2314217, 3767330, 4628434, 11571085, 16199519, 23142170, 32399038, 80997595, 161995190]

約数ペア:

[(1, 161995190), (2, 80997595), (5, 32399038), (7, 23142170), (10, 16199519), (14, 11571085), (35, 4628434), (43, 3767330), (70, 2314217), (86, 1883665), (215, 753466), (301, 538190), (430, 376733), (602, 269095), (1505, 107638), (3010, 53819)]