25340588

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1619}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 30542932

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 172, 182, 301, 364, 559, 602, 1118, 1204, 1619, 2236, 3238, 3913, 6476, 7826, 11333, 15652, 21047, 22666, 42094, 45332, 69617, 84188, 139234, 147329, 278468, 294658, 487319, 589316, 905021, 974638, 1810042, 1949276, 3620084, 6335147, 12670294, 25340588]

約数ペア:

[(1, 25340588), (2, 12670294), (4, 6335147), (7, 3620084), (13, 1949276), (14, 1810042), (26, 974638), (28, 905021), (43, 589316), (52, 487319), (86, 294658), (91, 278468), (172, 147329), (182, 139234), (301, 84188), (364, 69617), (559, 45332), (602, 42094), (1118, 22666), (1204, 21047), (1619, 15652), (2236, 11333), (3238, 7826), (3913, 6476)]