80212321

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{643}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 93477888

約数和(自身を除く): 13265567

約数列:

[1, 7, 71, 251, 497, 643, 1757, 4501, 17821, 45653, 124747, 161393, 319571, 1129751, 11458903, 80212321]

約数ペア:

[(1, 80212321), (7, 11458903), (71, 1129751), (251, 319571), (497, 161393), (643, 124747), (1757, 45653), (4501, 17821)]