199320821

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1\times {\mathrm{991}}^1$

素因数の和:1544

約数の個数: 16

約数和(自身を含む): 232366080

約数和(自身を除く): 33045259

約数列:

[1, 7, 59, 413, 487, 991, 3409, 6937, 28733, 58469, 201131, 409283, 482617, 3378319, 28474403, 199320821]

約数ペア:

[(1, 199320821), (7, 28474403), (59, 3378319), (413, 482617), (487, 409283), (991, 201131), (3409, 58469), (6937, 28733)]