87500520002

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{20764243}}^1$

素因数の和:20764302

約数の個数: 24

約数和(自身を含む): 156230171856

約数和(自身を除く): 68729651854

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 2107, 4214, 20764243, 41528486, 145349701, 290699402, 892862449, 1017447907, 1785724898, 2034895814, 6250037143, 12500074286, 43750260001, 87500520002]

約数ペア:

[(1, 87500520002), (2, 43750260001), (7, 12500074286), (14, 6250037143), (43, 2034895814), (49, 1785724898), (86, 1017447907), (98, 892862449), (301, 290699402), (602, 145349701), (2107, 41528486), (4214, 20764243)]