217038745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{33161}}^1$

素因数の和:33201

約数の個数: 32

約数和(自身を含む): 343823616

約数和(自身を除く): 126784871

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 6545, 33161, 165805, 232127, 364771, 563737, 1160635, 1823855, 2553397, 2818685, 3946159, 6201107, 12766985, 19730795, 31005535, 43407749, 217038745]

約数ペア:

[(1, 217038745), (5, 43407749), (7, 31005535), (11, 19730795), (17, 12766985), (35, 6201107), (55, 3946159), (77, 2818685), (85, 2553397), (119, 1823855), (187, 1160635), (385, 563737), (595, 364771), (935, 232127), (1309, 165805), (6545, 33161)]