28927745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{331}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 43600896

約数和(自身を除く): 14673151

約数列:

[1, 5, 7, 11, 35, 55, 77, 227, 331, 385, 1135, 1589, 1655, 2317, 2497, 3641, 7945, 11585, 12485, 17479, 18205, 25487, 75137, 87395, 127435, 375685, 525959, 826507, 2629795, 4132535, 5785549, 28927745]

約数ペア:

[(1, 28927745), (5, 5785549), (7, 4132535), (11, 2629795), (35, 826507), (55, 525959), (77, 375685), (227, 127435), (331, 87395), (385, 75137), (1135, 25487), (1589, 18205), (1655, 17479), (2317, 12485), (2497, 11585), (3641, 7945)]