248914945

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{557}}^1\times {\mathrm{643}}^1$

素因数の和:1344

約数の個数: 16

約数和(自身を含む): 301855680

約数和(自身を除く): 52940735

約数列:

[1, 5, 139, 557, 643, 695, 2785, 3215, 77423, 89377, 358151, 387115, 446885, 1790755, 49782989, 248914945]

約数ペア:

[(1, 248914945), (5, 49782989), (139, 1790755), (557, 446885), (643, 387115), (695, 358151), (2785, 89377), (3215, 77423)]