208628992

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 504786240

約数和(自身を除く): 296157248

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 41, 44, 52, 64, 82, 88, 104, 128, 139, 143, 164, 176, 208, 256, 278, 286, 328, 352, 416, 451, 533, 556, 572, 656, 704, 832, 902, 1066, 1112, 1144, 1312, 1408, 1529, 1664, 1804, 1807, 2132, 2224, 2288, 2624, 2816, 3058, 3328, 3608, 3614, 4264, 4448, 4576, 5248, 5699, 5863, 6116, 7216, 7228, 8528, 8896, 9152, 10496, 11398, 11726, 12232, 14432, 14456, 17056, 17792, 18304, 19877, 22796, 23452, 24464, 28864, 28912, 34112, 35584, 36608, 39754, 45592, 46904, 48928, 57728, 57824, 62689, 68224, 74087, 79508, 91184, 93808, 97856, 115456, 115648, 125378, 136448, 148174, 159016, 182368, 187616, 195712, 231296, 250756, 296348, 318032, 364736, 375232, 391424, 462592, 501512, 592696, 636064, 729472, 750464, 814957, 1003024, 1185392, 1272128, 1458944, 1500928, 1629914, 2006048, 2370784, 2544256, 3259828, 4012096, 4741568, 5088512, 6519656, 8024192, 9483136, 13039312, 16048384, 18966272, 26078624, 52157248, 104314496, 208628992]

約数ペア:

[(1, 208628992), (2, 104314496), (4, 52157248), (8, 26078624), (11, 18966272), (13, 16048384), (16, 13039312), (22, 9483136), (26, 8024192), (32, 6519656), (41, 5088512), (44, 4741568), (52, 4012096), (64, 3259828), (82, 2544256), (88, 2370784), (104, 2006048), (128, 1629914), (139, 1500928), (143, 1458944), (164, 1272128), (176, 1185392), (208, 1003024), (256, 814957), (278, 750464), (286, 729472), (328, 636064), (352, 592696), (416, 501512), (451, 462592), (533, 391424), (556, 375232), (572, 364736), (656, 318032), (704, 296348), (832, 250756), (902, 231296), (1066, 195712), (1112, 187616), (1144, 182368), (1312, 159016), (1408, 148174), (1529, 136448), (1664, 125378), (1804, 115648), (1807, 115456), (2132, 97856), (2224, 93808), (2288, 91184), (2624, 79508), (2816, 74087), (3058, 68224), (3328, 62689), (3608, 57824), (3614, 57728), (4264, 48928), (4448, 46904), (4576, 45592), (5248, 39754), (5699, 36608), (5863, 35584), (6116, 34112), (7216, 28912), (7228, 28864), (8528, 24464), (8896, 23452), (9152, 22796), (10496, 19877), (11398, 18304), (11726, 17792), (12232, 17056), (14432, 14456)]