289390717

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3919}}^1$

素因数の和:4081

約数の個数: 24

約数和(自身を含む): 370016640

約数和(自身を除く): 80625923

約数列:

[1, 7, 11, 49, 77, 137, 539, 959, 1507, 3919, 6713, 10549, 27433, 43109, 73843, 192031, 301763, 536903, 2112341, 3758321, 5905933, 26308247, 41341531, 289390717]

約数ペア:

[(1, 289390717), (7, 41341531), (11, 26308247), (49, 5905933), (77, 3758321), (137, 2112341), (539, 536903), (959, 301763), (1507, 192031), (3919, 73843), (6713, 43109), (10549, 27433)]