12958981

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 16350336

約数和(自身を除く): 3391355

約数列:

[1, 7, 17, 47, 49, 119, 329, 331, 799, 833, 2303, 2317, 5593, 5627, 15557, 16219, 39151, 39389, 108899, 264469, 275723, 762293, 1851283, 12958981]

約数ペア:

[(1, 12958981), (7, 1851283), (17, 762293), (47, 275723), (49, 264469), (119, 108899), (329, 39389), (331, 39151), (799, 16219), (833, 15557), (2303, 5627), (2317, 5593)]