217407799

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{4007}}^1$

素因数の和:4374

約数の個数: 16

約数和(自身を含む): 260103168

約数和(自身を除く): 42695369

約数列:

[1, 7, 23, 161, 337, 2359, 4007, 7751, 28049, 54257, 92161, 645127, 1350359, 9452513, 31058257, 217407799]

約数ペア:

[(1, 217407799), (7, 31058257), (23, 9452513), (161, 1350359), (337, 645127), (2359, 92161), (4007, 54257), (7751, 28049)]