211681284

素因数分解:

$2^2\times 3^1\times {\mathrm{661}}^1\times {\mathrm{26687}}^1$

素因数の和:27355

約数の個数: 24

約数和(自身を含む): 494688768

約数和(自身を除く): 283007484

約数列:

[1, 2, 3, 4, 6, 12, 661, 1322, 1983, 2644, 3966, 7932, 26687, 53374, 80061, 106748, 160122, 320244, 17640107, 35280214, 52920321, 70560428, 105840642, 211681284]

約数ペア:

[(1, 211681284), (2, 105840642), (3, 70560428), (4, 52920321), (6, 35280214), (12, 17640107), (661, 320244), (1322, 160122), (1983, 106748), (2644, 80061), (3966, 53374), (7932, 26687)]