291421306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 483065856

約数和(自身を除く): 191644550

約数列:

[1, 2, 11, 22, 191, 223, 311, 382, 446, 622, 2101, 2453, 3421, 4202, 4906, 6842, 42593, 59401, 69353, 85186, 118802, 138706, 468523, 653411, 762883, 937046, 1306822, 1525766, 13246423, 26492846, 145710653, 291421306]

約数ペア:

[(1, 291421306), (2, 145710653), (11, 26492846), (22, 13246423), (191, 1525766), (223, 1306822), (311, 937046), (382, 762883), (446, 653411), (622, 468523), (2101, 138706), (2453, 118802), (3421, 85186), (4202, 69353), (4906, 59401), (6842, 42593)]