217464446591

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1\times {\mathrm{1639991}}^1$

素因数の和:1641014

約数の個数: 16

約数和(自身を含む): 261873922560

約数和(自身を除く): 44409475969

約数列:

[1, 7, 19, 133, 997, 6979, 18943, 132601, 1639991, 11479937, 31159829, 218118803, 1635071027, 11445497189, 31066349513, 217464446591]

約数ペア:

[(1, 217464446591), (7, 31066349513), (19, 11445497189), (133, 1635071027), (997, 218118803), (6979, 31159829), (18943, 11479937), (132601, 1639991)]