161535808

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:360

約数の個数: 112

約数和(自身を含む): 390046464

約数和(自身を除く): 228510656

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 61, 64, 92, 112, 122, 161, 184, 224, 244, 257, 322, 368, 427, 448, 488, 514, 644, 736, 854, 976, 1028, 1288, 1403, 1472, 1708, 1799, 1952, 2056, 2576, 2806, 3416, 3598, 3904, 4112, 5152, 5612, 5911, 6832, 7196, 8224, 9821, 10304, 11224, 11822, 13664, 14392, 15677, 16448, 19642, 22448, 23644, 27328, 28784, 31354, 39284, 41377, 44896, 47288, 57568, 62708, 78568, 82754, 89792, 94576, 109739, 115136, 125416, 157136, 165508, 189152, 219478, 250832, 314272, 331016, 360571, 378304, 438956, 501664, 628544, 662032, 721142, 877912, 1003328, 1324064, 1442284, 1755824, 2523997, 2648128, 2884568, 3511648, 5047994, 5769136, 7023296, 10095988, 11538272, 20191976, 23076544, 40383952, 80767904, 161535808]

約数ペア:

[(1, 161535808), (2, 80767904), (4, 40383952), (7, 23076544), (8, 20191976), (14, 11538272), (16, 10095988), (23, 7023296), (28, 5769136), (32, 5047994), (46, 3511648), (56, 2884568), (61, 2648128), (64, 2523997), (92, 1755824), (112, 1442284), (122, 1324064), (161, 1003328), (184, 877912), (224, 721142), (244, 662032), (257, 628544), (322, 501664), (368, 438956), (427, 378304), (448, 360571), (488, 331016), (514, 314272), (644, 250832), (736, 219478), (854, 189152), (976, 165508), (1028, 157136), (1288, 125416), (1403, 115136), (1472, 109739), (1708, 94576), (1799, 89792), (1952, 82754), (2056, 78568), (2576, 62708), (2806, 57568), (3416, 47288), (3598, 44896), (3904, 41377), (4112, 39284), (5152, 31354), (5612, 28784), (5911, 27328), (6832, 23644), (7196, 22448), (8224, 19642), (9821, 16448), (10304, 15677), (11224, 14392), (11822, 13664)]