215278508

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{3919}}^1$

素因数の和:4397

約数の個数: 24

約数和(自身を含む): 389867520

約数和(自身を除く): 174589012

約数列:

[1, 2, 4, 31, 62, 124, 443, 886, 1772, 3919, 7838, 13733, 15676, 27466, 54932, 121489, 242978, 485956, 1736117, 3472234, 6944468, 53819627, 107639254, 215278508]

約数ペア:

[(1, 215278508), (2, 107639254), (4, 53819627), (31, 6944468), (62, 3472234), (124, 1736117), (443, 485956), (886, 242978), (1772, 121489), (3919, 54932), (7838, 27466), (13733, 15676)]