211331328

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 617418816

約数和(自身を除く): 406087488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 61, 64, 78, 96, 104, 122, 128, 156, 183, 192, 208, 244, 256, 312, 347, 366, 384, 416, 488, 624, 694, 732, 768, 793, 832, 976, 1041, 1248, 1388, 1464, 1586, 1664, 1952, 2082, 2379, 2496, 2776, 2928, 3172, 3328, 3904, 4164, 4511, 4758, 4992, 5552, 5856, 6344, 7808, 8328, 9022, 9516, 9984, 11104, 11712, 12688, 13533, 15616, 16656, 18044, 19032, 21167, 22208, 23424, 25376, 27066, 33312, 36088, 38064, 42334, 44416, 46848, 50752, 54132, 63501, 66624, 72176, 76128, 84668, 88832, 101504, 108264, 127002, 133248, 144352, 152256, 169336, 203008, 216528, 254004, 266496, 275171, 288704, 304512, 338672, 433056, 508008, 550342, 577408, 609024, 677344, 825513, 866112, 1016016, 1100684, 1154816, 1354688, 1651026, 1732224, 2032032, 2201368, 2709376, 3302052, 3464448, 4064064, 4402736, 5418752, 6604104, 8128128, 8805472, 13208208, 16256256, 17610944, 26416416, 35221888, 52832832, 70443776, 105665664, 211331328]

約数ペア:

[(1, 211331328), (2, 105665664), (3, 70443776), (4, 52832832), (6, 35221888), (8, 26416416), (12, 17610944), (13, 16256256), (16, 13208208), (24, 8805472), (26, 8128128), (32, 6604104), (39, 5418752), (48, 4402736), (52, 4064064), (61, 3464448), (64, 3302052), (78, 2709376), (96, 2201368), (104, 2032032), (122, 1732224), (128, 1651026), (156, 1354688), (183, 1154816), (192, 1100684), (208, 1016016), (244, 866112), (256, 825513), (312, 677344), (347, 609024), (366, 577408), (384, 550342), (416, 508008), (488, 433056), (624, 338672), (694, 304512), (732, 288704), (768, 275171), (793, 266496), (832, 254004), (976, 216528), (1041, 203008), (1248, 169336), (1388, 152256), (1464, 144352), (1586, 133248), (1664, 127002), (1952, 108264), (2082, 101504), (2379, 88832), (2496, 84668), (2776, 76128), (2928, 72176), (3172, 66624), (3328, 63501), (3904, 54132), (4164, 50752), (4511, 46848), (4758, 44416), (4992, 42334), (5552, 38064), (5856, 36088), (6344, 33312), (7808, 27066), (8328, 25376), (9022, 23424), (9516, 22208), (9984, 21167), (11104, 19032), (11712, 18044), (12688, 16656), (13533, 15616)]