3988890031

素因数分解:

$7^3\times {\mathrm{191}}^1\times {\mathrm{60887}}^1$

素因数の和:61099

約数の個数: 16

約数和(自身を含む): 4676198400

約数和(自身を除く): 687308369

約数列:

[1, 7, 49, 191, 343, 1337, 9359, 60887, 65513, 426209, 2983463, 11629417, 20884241, 81405919, 569841433, 3988890031]

約数ペア:

[(1, 3988890031), (7, 569841433), (49, 81405919), (191, 20884241), (343, 11629417), (1337, 2983463), (9359, 426209), (60887, 65513)]