686439572

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{479}}^1$

素因数の和:661

約数の個数: 96

約数和(自身を含む): 1541406720

約数和(自身を除く): 854967148

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 127, 182, 217, 254, 364, 403, 434, 479, 508, 806, 868, 889, 958, 1612, 1651, 1778, 1916, 2821, 3302, 3353, 3556, 3937, 5642, 6227, 6604, 6706, 7874, 11284, 11557, 12454, 13412, 14849, 15748, 23114, 24908, 27559, 29698, 43589, 46228, 51181, 55118, 59396, 60833, 87178, 102362, 103943, 110236, 121666, 174356, 193037, 204724, 207886, 243332, 358267, 386074, 415772, 425831, 716534, 772148, 790829, 851662, 1351259, 1433068, 1581658, 1703324, 1885823, 2702518, 3163316, 3771646, 5405036, 5535803, 7543292, 11071606, 13200761, 22143212, 24515699, 26401522, 49031398, 52803044, 98062796, 171609893, 343219786, 686439572]

約数ペア:

[(1, 686439572), (2, 343219786), (4, 171609893), (7, 98062796), (13, 52803044), (14, 49031398), (26, 26401522), (28, 24515699), (31, 22143212), (52, 13200761), (62, 11071606), (91, 7543292), (124, 5535803), (127, 5405036), (182, 3771646), (217, 3163316), (254, 2702518), (364, 1885823), (403, 1703324), (434, 1581658), (479, 1433068), (508, 1351259), (806, 851662), (868, 790829), (889, 772148), (958, 716534), (1612, 425831), (1651, 415772), (1778, 386074), (1916, 358267), (2821, 243332), (3302, 207886), (3353, 204724), (3556, 193037), (3937, 174356), (5642, 121666), (6227, 110236), (6604, 103943), (6706, 102362), (7874, 87178), (11284, 60833), (11557, 59396), (12454, 55118), (13412, 51181), (14849, 46228), (15748, 43589), (23114, 29698), (24908, 27559)]