281489117

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{7177}}^1$

素因数の和:7628

約数の個数: 16

約数和(自身を含む): 347300352

約数和(自身を除く): 65811235

約数列:

[1, 7, 13, 91, 431, 3017, 5603, 7177, 39221, 50239, 93301, 653107, 3093287, 21653009, 40212731, 281489117]

約数ペア:

[(1, 281489117), (7, 40212731), (13, 21653009), (91, 3093287), (431, 653107), (3017, 93301), (5603, 50239), (7177, 39221)]