12798821

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 15151488

約数和(自身を除く): 2352667

約数列:

[1, 7, 43, 101, 301, 421, 707, 2947, 4343, 18103, 30401, 42521, 126721, 297647, 1828403, 12798821]

約数ペア:

[(1, 12798821), (7, 1828403), (43, 297647), (101, 126721), (301, 42521), (421, 30401), (707, 18103), (2947, 4343)]