28401751

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1193}}^1$

素因数の和:1398

約数の個数: 16

約数和(自身を含む): 34387200

約数和(自身を除く): 5985449

約数列:

[1, 7, 19, 133, 179, 1193, 1253, 3401, 8351, 22667, 23807, 158669, 213547, 1494829, 4057393, 28401751]

約数ペア:

[(1, 28401751), (7, 4057393), (19, 1494829), (133, 213547), (179, 158669), (1193, 23807), (1253, 22667), (3401, 8351)]