28941997

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{4441}}^1$

素因数の和:4481

約数の個数: 16

約数和(自身を含む): 35536000

約数和(自身を除く): 6594003

約数列:

[1, 7, 19, 49, 133, 343, 931, 4441, 6517, 31087, 84379, 217609, 590653, 1523263, 4134571, 28941997]

約数ペア:

[(1, 28941997), (7, 4134571), (19, 1523263), (49, 590653), (133, 217609), (343, 84379), (931, 31087), (4441, 6517)]