217778864

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{469351}}^1$

素因数の和:469388

約数の個数: 20

約数和(自身を含む): 436497360

約数和(自身を除く): 218718496

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 469351, 938702, 1877404, 3754808, 7509616, 13611179, 27222358, 54444716, 108889432, 217778864]

約数ペア:

[(1, 217778864), (2, 108889432), (4, 54444716), (8, 27222358), (16, 13611179), (29, 7509616), (58, 3754808), (116, 1877404), (232, 938702), (464, 469351)]