218208316

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{9127}}^1$

素因数の和:9313

約数の個数: 24

約数和(自身を含む): 393599360

約数和(自身を除く): 175391044

約数列:

[1, 2, 4, 43, 86, 139, 172, 278, 556, 5977, 9127, 11954, 18254, 23908, 36508, 392461, 784922, 1268653, 1569844, 2537306, 5074612, 54552079, 109104158, 218208316]

約数ペア:

[(1, 218208316), (2, 109104158), (4, 54552079), (43, 5074612), (86, 2537306), (139, 1569844), (172, 1268653), (278, 784922), (556, 392461), (5977, 36508), (9127, 23908), (11954, 18254)]