211301405

素因数分解:

$5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 295975680

約数和(自身を除く): 84674275

約数列:

[1, 5, 7, 35, 97, 109, 485, 545, 571, 679, 763, 2855, 3395, 3815, 3997, 10573, 19985, 52865, 55387, 62239, 74011, 276935, 311195, 370055, 387709, 435673, 1938545, 2178365, 6037183, 30185915, 42260281, 211301405]

約数ペア:

[(1, 211301405), (5, 42260281), (7, 30185915), (35, 6037183), (97, 2178365), (109, 1938545), (485, 435673), (545, 387709), (571, 370055), (679, 311195), (763, 276935), (2855, 74011), (3395, 62239), (3815, 55387), (3997, 52865), (10573, 19985)]