12778675

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 20123712

約数和(自身を除く): 7345037

約数列:

[1, 5, 7, 13, 25, 35, 41, 65, 91, 137, 175, 205, 287, 325, 455, 533, 685, 959, 1025, 1435, 1781, 2275, 2665, 3425, 3731, 4795, 5617, 7175, 8905, 12467, 13325, 18655, 23975, 28085, 39319, 44525, 62335, 73021, 93275, 140425, 196595, 311675, 365105, 511147, 982975, 1825525, 2555735, 12778675]

約数ペア:

[(1, 12778675), (5, 2555735), (7, 1825525), (13, 982975), (25, 511147), (35, 365105), (41, 311675), (65, 196595), (91, 140425), (137, 93275), (175, 73021), (205, 62335), (287, 44525), (325, 39319), (455, 28085), (533, 23975), (685, 18655), (959, 13325), (1025, 12467), (1435, 8905), (1781, 7175), (2275, 5617), (2665, 4795), (3425, 3731)]