15840412

素因数分解:

$2^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1621}}^1$

素因数の和:1981

約数の個数: 24

約数和(自身を含む): 31791200

約数和(自身を除く): 15950788

約数列:

[1, 2, 4, 7, 14, 28, 349, 698, 1396, 1621, 2443, 3242, 4886, 6484, 9772, 11347, 22694, 45388, 565729, 1131458, 2262916, 3960103, 7920206, 15840412]

約数ペア:

[(1, 15840412), (2, 7920206), (4, 3960103), (7, 2262916), (14, 1131458), (28, 565729), (349, 45388), (698, 22694), (1396, 11347), (1621, 9772), (2443, 6484), (3242, 4886)]