289402309

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1\times {\mathrm{1051}}^1$

素因数の和:1480

約数の個数: 16

約数和(自身を含む): 334620160

約数和(自身を除く): 45217851

約数列:

[1, 7, 139, 283, 973, 1051, 1981, 7357, 39337, 146089, 275359, 297433, 1022623, 2082031, 41343187, 289402309]

約数ペア:

[(1, 289402309), (7, 41343187), (139, 2082031), (283, 1022623), (973, 297433), (1051, 275359), (1981, 146089), (7357, 39337)]