1399184

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:722

約数の個数: 20

約数和(自身を含む): 2733084

約数和(自身を除く): 1333900

約数列:

[1, 2, 4, 8, 16, 157, 314, 557, 628, 1114, 1256, 2228, 2512, 4456, 8912, 87449, 174898, 349796, 699592, 1399184]

約数ペア:

[(1, 1399184), (2, 699592), (4, 349796), (8, 174898), (16, 87449), (157, 8912), (314, 4456), (557, 2512), (628, 2228), (1114, 1256)]