28258510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21247}}^1$

素因数の和:21280

約数の個数: 32

約数和(自身を含む): 61194240

約数和(自身を除く): 32935730

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 21247, 42494, 106235, 148729, 212470, 297458, 403693, 743645, 807386, 1487290, 2018465, 2825851, 4036930, 5651702, 14129255, 28258510]

約数ペア:

[(1, 28258510), (2, 14129255), (5, 5651702), (7, 4036930), (10, 2825851), (14, 2018465), (19, 1487290), (35, 807386), (38, 743645), (70, 403693), (95, 297458), (133, 212470), (190, 148729), (266, 106235), (665, 42494), (1330, 21247)]