218678712

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 651264000

約数和(自身を除く): 432585288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 199, 211, 217, 248, 372, 398, 422, 434, 597, 633, 651, 744, 796, 844, 868, 1194, 1266, 1302, 1393, 1477, 1592, 1688, 1736, 2388, 2532, 2604, 2786, 2954, 4179, 4431, 4776, 5064, 5208, 5572, 5908, 6169, 6541, 8358, 8862, 11144, 11816, 12338, 13082, 16716, 17724, 18507, 19623, 24676, 26164, 33432, 35448, 37014, 39246, 41989, 43183, 45787, 49352, 52328, 74028, 78492, 83978, 86366, 91574, 125967, 129549, 137361, 148056, 156984, 167956, 172732, 183148, 251934, 259098, 274722, 293923, 335912, 345464, 366296, 503868, 518196, 549444, 587846, 881769, 1007736, 1036392, 1098888, 1175692, 1301659, 1763538, 2351384, 2603318, 3527076, 3904977, 5206636, 7054152, 7809954, 9111613, 10413272, 15619908, 18223226, 27334839, 31239816, 36446452, 54669678, 72892904, 109339356, 218678712]

約数ペア:

[(1, 218678712), (2, 109339356), (3, 72892904), (4, 54669678), (6, 36446452), (7, 31239816), (8, 27334839), (12, 18223226), (14, 15619908), (21, 10413272), (24, 9111613), (28, 7809954), (31, 7054152), (42, 5206636), (56, 3904977), (62, 3527076), (84, 2603318), (93, 2351384), (124, 1763538), (168, 1301659), (186, 1175692), (199, 1098888), (211, 1036392), (217, 1007736), (248, 881769), (372, 587846), (398, 549444), (422, 518196), (434, 503868), (597, 366296), (633, 345464), (651, 335912), (744, 293923), (796, 274722), (844, 259098), (868, 251934), (1194, 183148), (1266, 172732), (1302, 167956), (1393, 156984), (1477, 148056), (1592, 137361), (1688, 129549), (1736, 125967), (2388, 91574), (2532, 86366), (2604, 83978), (2786, 78492), (2954, 74028), (4179, 52328), (4431, 49352), (4776, 45787), (5064, 43183), (5208, 41989), (5572, 39246), (5908, 37014), (6169, 35448), (6541, 33432), (8358, 26164), (8862, 24676), (11144, 19623), (11816, 18507), (12338, 17724), (13082, 16716)]