161998921

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{2393}}^1$

素因数の和:2928

約数の個数: 16

約数和(自身を含む): 195350400

約数和(自身を除く): 33351479

約数列:

[1, 7, 19, 133, 509, 2393, 3563, 9671, 16751, 45467, 67697, 318269, 1218037, 8526259, 23142703, 161998921]

約数ペア:

[(1, 161998921), (7, 23142703), (19, 8526259), (133, 1218037), (509, 318269), (2393, 67697), (3563, 45467), (9671, 16751)]