212864210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{39937}}^1$

素因数の和:39998

約数の個数: 32

約数和(自身を含む): 422703792

約数和(自身を除く): 209839582

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 5330, 39937, 79874, 199685, 399370, 519181, 1038362, 1637417, 2595905, 3274834, 5191810, 8187085, 16374170, 21286421, 42572842, 106432105, 212864210]

約数ペア:

[(1, 212864210), (2, 106432105), (5, 42572842), (10, 21286421), (13, 16374170), (26, 8187085), (41, 5191810), (65, 3274834), (82, 2595905), (130, 1637417), (205, 1038362), (410, 519181), (533, 399370), (1066, 199685), (2665, 79874), (5330, 39937)]