2138195521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{2711}}^1\times {\mathrm{10243}}^1$

素因数の和:12972

約数の個数: 16

約数和(自身を含む): 2667045888

約数和(自身を除く): 528850367

約数列:

[1, 7, 11, 77, 2711, 10243, 18977, 29821, 71701, 112673, 208747, 788711, 27768773, 194381411, 305456503, 2138195521]

約数ペア:

[(1, 2138195521), (7, 305456503), (11, 194381411), (77, 27768773), (2711, 788711), (10243, 208747), (18977, 112673), (29821, 71701)]