219909908

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{461}}^1\times {\mathrm{3847}}^1$

素因数の和:4343

約数の個数: 24

約数和(自身を含む): 398221824

約数和(自身を除く): 178311916

約数列:

[1, 2, 4, 31, 62, 124, 461, 922, 1844, 3847, 7694, 14291, 15388, 28582, 57164, 119257, 238514, 477028, 1773467, 3546934, 7093868, 54977477, 109954954, 219909908]

約数ペア:

[(1, 219909908), (2, 109954954), (4, 54977477), (31, 7093868), (62, 3546934), (124, 1773467), (461, 477028), (922, 238514), (1844, 119257), (3847, 57164), (7694, 28582), (14291, 15388)]