289062512

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{420149}}^1$

素因数の和:420200

約数の個数: 20

約数和(自身を含む): 573084600

約数和(自身を除く): 284022088

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 420149, 840298, 1680596, 3361192, 6722384, 18066407, 36132814, 72265628, 144531256, 289062512]

約数ペア:

[(1, 289062512), (2, 144531256), (4, 72265628), (8, 36132814), (16, 18066407), (43, 6722384), (86, 3361192), (172, 1680596), (344, 840298), (688, 420149)]