28041853

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 7900547

約数列:

[1, 7, 19, 23, 89, 103, 133, 161, 437, 623, 721, 1691, 1957, 2047, 2369, 3059, 9167, 11837, 13699, 14329, 16583, 38893, 45011, 64169, 174173, 210841, 272251, 315077, 1219211, 1475887, 4005979, 28041853]

約数ペア:

[(1, 28041853), (7, 4005979), (19, 1475887), (23, 1219211), (89, 315077), (103, 272251), (133, 210841), (161, 174173), (437, 64169), (623, 45011), (721, 38893), (1691, 16583), (1957, 14329), (2047, 13699), (2369, 11837), (3059, 9167)]