40540591

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2053}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 52450944

約数和(自身を除く): 11910353

約数列:

[1, 7, 13, 31, 49, 91, 217, 403, 637, 1519, 2053, 2821, 14371, 19747, 26689, 63643, 100597, 186823, 445501, 827359, 1307761, 3118507, 5791513, 40540591]

約数ペア:

[(1, 40540591), (7, 5791513), (13, 3118507), (31, 1307761), (49, 827359), (91, 445501), (217, 186823), (403, 100597), (637, 63643), (1519, 26689), (2053, 19747), (2821, 14371)]