28804790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2621}}^1$

素因数の和:2792

約数の個数: 32

約数和(自身を含む): 59655744

約数和(自身を除く): 30850954

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 2198, 2621, 5242, 5495, 10990, 13105, 18347, 26210, 36694, 91735, 183470, 411497, 822994, 2057485, 2880479, 4114970, 5760958, 14402395, 28804790]

約数ペア:

[(1, 28804790), (2, 14402395), (5, 5760958), (7, 4114970), (10, 2880479), (14, 2057485), (35, 822994), (70, 411497), (157, 183470), (314, 91735), (785, 36694), (1099, 26210), (1570, 18347), (2198, 13105), (2621, 10990), (5242, 5495)]