221321856

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{601}}^1$

素因数の和:762

約数の個数: 128

約数和(自身を含む): 677900160

約数和(自身を除く): 456578304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 137, 168, 192, 224, 274, 336, 384, 411, 448, 548, 601, 672, 822, 896, 959, 1096, 1202, 1344, 1644, 1803, 1918, 2192, 2404, 2688, 2877, 3288, 3606, 3836, 4207, 4384, 4808, 5754, 6576, 7212, 7672, 8414, 8768, 9616, 11508, 12621, 13152, 14424, 15344, 16828, 17536, 19232, 23016, 25242, 26304, 28848, 30688, 33656, 38464, 46032, 50484, 52608, 57696, 61376, 67312, 76928, 82337, 92064, 100968, 115392, 122752, 134624, 164674, 184128, 201936, 230784, 247011, 269248, 329348, 368256, 403872, 494022, 538496, 576359, 658696, 807744, 988044, 1152718, 1317392, 1615488, 1729077, 1976088, 2305436, 2634784, 3458154, 3952176, 4610872, 5269568, 6916308, 7904352, 9221744, 10539136, 13832616, 15808704, 18443488, 27665232, 31617408, 36886976, 55330464, 73773952, 110660928, 221321856]

約数ペア:

[(1, 221321856), (2, 110660928), (3, 73773952), (4, 55330464), (6, 36886976), (7, 31617408), (8, 27665232), (12, 18443488), (14, 15808704), (16, 13832616), (21, 10539136), (24, 9221744), (28, 7904352), (32, 6916308), (42, 5269568), (48, 4610872), (56, 3952176), (64, 3458154), (84, 2634784), (96, 2305436), (112, 1976088), (128, 1729077), (137, 1615488), (168, 1317392), (192, 1152718), (224, 988044), (274, 807744), (336, 658696), (384, 576359), (411, 538496), (448, 494022), (548, 403872), (601, 368256), (672, 329348), (822, 269248), (896, 247011), (959, 230784), (1096, 201936), (1202, 184128), (1344, 164674), (1644, 134624), (1803, 122752), (1918, 115392), (2192, 100968), (2404, 92064), (2688, 82337), (2877, 76928), (3288, 67312), (3606, 61376), (3836, 57696), (4207, 52608), (4384, 50484), (4808, 46032), (5754, 38464), (6576, 33656), (7212, 30688), (7672, 28848), (8414, 26304), (8768, 25242), (9616, 23016), (11508, 19232), (12621, 17536), (13152, 16828), (14424, 15344)]