7981211

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1427}}^1$

素因数の和:1498

約数の個数: 16

約数和(自身を含む): 9870336

約数和(自身を除く): 1889125

約数列:

[1, 7, 17, 47, 119, 329, 799, 1427, 5593, 9989, 24259, 67069, 169813, 469483, 1140173, 7981211]

約数ペア:

[(1, 7981211), (7, 1140173), (17, 469483), (47, 169813), (119, 67069), (329, 24259), (799, 9989), (1427, 5593)]