213654328

素因数分解:

$2^3\times {\mathrm{1289}}^1\times {\mathrm{20719}}^1$

素因数の和:22014

約数の個数: 16

約数和(自身を含む): 400932000

約数和(自身を除く): 187277672

約数列:

[1, 2, 4, 8, 1289, 2578, 5156, 10312, 20719, 41438, 82876, 165752, 26706791, 53413582, 106827164, 213654328]

約数ペア:

[(1, 213654328), (2, 106827164), (4, 53413582), (8, 26706791), (1289, 165752), (2578, 82876), (5156, 41438), (10312, 20719)]