639890524

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:515

約数の個数: 96

約数和(自身を含む): 1424295936

約数和(自身を除く): 784405412

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 47, 52, 91, 94, 113, 182, 188, 226, 329, 331, 364, 452, 611, 658, 662, 791, 1222, 1316, 1324, 1469, 1582, 2317, 2444, 2938, 3164, 4277, 4303, 4634, 5311, 5876, 8554, 8606, 9268, 10283, 10622, 15557, 17108, 17212, 20566, 21244, 30121, 31114, 37177, 37403, 41132, 60242, 62228, 69043, 74354, 74806, 108899, 120484, 138086, 148708, 149612, 202241, 217798, 261821, 276172, 404482, 435596, 483301, 486239, 523642, 808964, 966602, 972478, 1047284, 1415687, 1757941, 1933204, 1944956, 2831374, 3403673, 3515882, 5662748, 6807346, 7031764, 12305587, 13614692, 22853233, 24611174, 45706466, 49222348, 91412932, 159972631, 319945262, 639890524]

約数ペア:

[(1, 639890524), (2, 319945262), (4, 159972631), (7, 91412932), (13, 49222348), (14, 45706466), (26, 24611174), (28, 22853233), (47, 13614692), (52, 12305587), (91, 7031764), (94, 6807346), (113, 5662748), (182, 3515882), (188, 3403673), (226, 2831374), (329, 1944956), (331, 1933204), (364, 1757941), (452, 1415687), (611, 1047284), (658, 972478), (662, 966602), (791, 808964), (1222, 523642), (1316, 486239), (1324, 483301), (1469, 435596), (1582, 404482), (2317, 276172), (2444, 261821), (2938, 217798), (3164, 202241), (4277, 149612), (4303, 148708), (4634, 138086), (5311, 120484), (5876, 108899), (8554, 74806), (8606, 74354), (9268, 69043), (10283, 62228), (10622, 60242), (15557, 41132), (17108, 37403), (17212, 37177), (20566, 31114), (21244, 30121)]