648965044

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1291}}^1\times {\mathrm{1381}}^1$

素因数の和:2696

約数の個数: 48

約数和(自身を含む): 1399866496

約数和(自身を除く): 750901452

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 1291, 1381, 2582, 2762, 5164, 5524, 9037, 9667, 16783, 17953, 18074, 19334, 33566, 35906, 36148, 38668, 67132, 71812, 117481, 125671, 234962, 251342, 469924, 502684, 1782871, 3565742, 7131484, 12480097, 23177323, 24960194, 46354646, 49920388, 92709292, 162241261, 324482522, 648965044]

約数ペア:

[(1, 648965044), (2, 324482522), (4, 162241261), (7, 92709292), (13, 49920388), (14, 46354646), (26, 24960194), (28, 23177323), (52, 12480097), (91, 7131484), (182, 3565742), (364, 1782871), (1291, 502684), (1381, 469924), (2582, 251342), (2762, 234962), (5164, 125671), (5524, 117481), (9037, 71812), (9667, 67132), (16783, 38668), (17953, 36148), (18074, 35906), (19334, 33566)]