247060721663

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{2897971}}^1$

素因数の和:2898638

約数の個数: 16

約数和(自身を含む): 297679683840

約数和(自身を除く): 50618962177

約数列:

[1, 7, 19, 133, 641, 4487, 12179, 85253, 2897971, 20285797, 55061449, 385430143, 1857599411, 13003195877, 35294388809, 247060721663]

約数ペア:

[(1, 247060721663), (7, 35294388809), (19, 13003195877), (133, 1857599411), (641, 385430143), (4487, 55061449), (12179, 20285797), (85253, 2897971)]