28980424

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{647}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 59486400

約数和(自身を除く): 30505976

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 509, 647, 1018, 1294, 2036, 2588, 4072, 5176, 5599, 7117, 11198, 14234, 22396, 28468, 44792, 56936, 329323, 658646, 1317292, 2634584, 3622553, 7245106, 14490212, 28980424]

約数ペア:

[(1, 28980424), (2, 14490212), (4, 7245106), (8, 3622553), (11, 2634584), (22, 1317292), (44, 658646), (88, 329323), (509, 56936), (647, 44792), (1018, 28468), (1294, 22396), (2036, 14234), (2588, 11198), (4072, 7117), (5176, 5599)]