2045407

素因数分解:

$7^2\times {\mathrm{13}}^3\times {\mathrm{19}}^1$

素因数の和:72

約数の個数: 24

約数和(自身を含む): 2713200

約数和(自身を除く): 667793

約数列:

[1, 7, 13, 19, 49, 91, 133, 169, 247, 637, 931, 1183, 1729, 2197, 3211, 8281, 12103, 15379, 22477, 41743, 107653, 157339, 292201, 2045407]

約数ペア:

[(1, 2045407), (7, 292201), (13, 157339), (19, 107653), (49, 41743), (91, 22477), (133, 15379), (169, 12103), (247, 8281), (637, 3211), (931, 2197), (1183, 1729)]