215228678

素因数分解:

$2^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{17293}}^1$

素因数の和:17436

約数の個数: 24

約数和(自身を含む): 378531072

約数和(自身を除く): 163302394

約数列:

[1, 2, 7, 14, 49, 98, 127, 254, 889, 1778, 6223, 12446, 17293, 34586, 121051, 242102, 847357, 1694714, 2196211, 4392422, 15373477, 30746954, 107614339, 215228678]

約数ペア:

[(1, 215228678), (2, 107614339), (7, 30746954), (14, 15373477), (49, 4392422), (98, 2196211), (127, 1694714), (254, 847357), (889, 242102), (1778, 121051), (6223, 34586), (12446, 17293)]