778887486

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{25409}}^1$

素因数の和:25561

約数の個数: 48

約数和(自身を含む): 1831349520

約数和(自身を除く): 1052462034

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 131, 234, 262, 393, 786, 1179, 1703, 2358, 3406, 5109, 10218, 15327, 25409, 30654, 50818, 76227, 152454, 228681, 330317, 457362, 660634, 990951, 1981902, 2972853, 3328579, 5945706, 6657158, 9985737, 19971474, 29957211, 43271527, 59914422, 86543054, 129814581, 259629162, 389443743, 778887486]

約数ペア:

[(1, 778887486), (2, 389443743), (3, 259629162), (6, 129814581), (9, 86543054), (13, 59914422), (18, 43271527), (26, 29957211), (39, 19971474), (78, 9985737), (117, 6657158), (131, 5945706), (234, 3328579), (262, 2972853), (393, 1981902), (786, 990951), (1179, 660634), (1703, 457362), (2358, 330317), (3406, 228681), (5109, 152454), (10218, 76227), (15327, 50818), (25409, 30654)]