647881416

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10987}}^1$

素因数の和:11025

約数の個数: 160

約数和(自身を含む): 2233640640

約数和(自身を除く): 1585759224

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 81, 84, 91, 104, 108, 117, 126, 156, 162, 168, 182, 189, 216, 234, 252, 273, 312, 324, 351, 364, 378, 468, 504, 546, 567, 648, 702, 728, 756, 819, 936, 1053, 1092, 1134, 1404, 1512, 1638, 2106, 2184, 2268, 2457, 2808, 3276, 4212, 4536, 4914, 6552, 7371, 8424, 9828, 10987, 14742, 19656, 21974, 29484, 32961, 43948, 58968, 65922, 76909, 87896, 98883, 131844, 142831, 153818, 197766, 230727, 263688, 285662, 296649, 307636, 395532, 428493, 461454, 571324, 593298, 615272, 692181, 791064, 856986, 889947, 922908, 999817, 1142648, 1186596, 1285479, 1384362, 1713972, 1779894, 1845816, 1999634, 2076543, 2373192, 2570958, 2768724, 2999451, 3427944, 3559788, 3856437, 3999268, 4153086, 5141916, 5537448, 5998902, 6229629, 7119576, 7712874, 7998536, 8306172, 8998353, 10283832, 11569311, 11997804, 12459258, 15425748, 16612344, 17996706, 23138622, 23995608, 24918516, 26995059, 30851496, 35993412, 46277244, 49837032, 53990118, 71986824, 80985177, 92554488, 107980236, 161970354, 215960472, 323940708, 647881416]

約数ペア:

[(1, 647881416), (2, 323940708), (3, 215960472), (4, 161970354), (6, 107980236), (7, 92554488), (8, 80985177), (9, 71986824), (12, 53990118), (13, 49837032), (14, 46277244), (18, 35993412), (21, 30851496), (24, 26995059), (26, 24918516), (27, 23995608), (28, 23138622), (36, 17996706), (39, 16612344), (42, 15425748), (52, 12459258), (54, 11997804), (56, 11569311), (63, 10283832), (72, 8998353), (78, 8306172), (81, 7998536), (84, 7712874), (91, 7119576), (104, 6229629), (108, 5998902), (117, 5537448), (126, 5141916), (156, 4153086), (162, 3999268), (168, 3856437), (182, 3559788), (189, 3427944), (216, 2999451), (234, 2768724), (252, 2570958), (273, 2373192), (312, 2076543), (324, 1999634), (351, 1845816), (364, 1779894), (378, 1713972), (468, 1384362), (504, 1285479), (546, 1186596), (567, 1142648), (648, 999817), (702, 922908), (728, 889947), (756, 856986), (819, 791064), (936, 692181), (1053, 615272), (1092, 593298), (1134, 571324), (1404, 461454), (1512, 428493), (1638, 395532), (2106, 307636), (2184, 296649), (2268, 285662), (2457, 263688), (2808, 230727), (3276, 197766), (4212, 153818), (4536, 142831), (4914, 131844), (6552, 98883), (7371, 87896), (8424, 76909), (9828, 65922), (10987, 58968), (14742, 43948), (19656, 32961), (21974, 29484)]