321977344

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 132

約数和(自身を含む): 742471464

約数和(自身を除く): 420494120

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 67, 76, 104, 128, 134, 152, 208, 247, 256, 268, 304, 361, 416, 494, 512, 536, 608, 722, 832, 871, 988, 1024, 1072, 1216, 1273, 1444, 1664, 1742, 1976, 2144, 2432, 2546, 2888, 3328, 3484, 3952, 4288, 4693, 4864, 5092, 5776, 6656, 6968, 7904, 8576, 9386, 9728, 10184, 11552, 13312, 13936, 15808, 16549, 17152, 18772, 19456, 20368, 23104, 24187, 27872, 31616, 33098, 34304, 37544, 40736, 46208, 48374, 55744, 63232, 66196, 68608, 75088, 81472, 92416, 96748, 111488, 126464, 132392, 150176, 162944, 184832, 193496, 222976, 252928, 264784, 300352, 314431, 325888, 369664, 386992, 445952, 529568, 600704, 628862, 651776, 773984, 891904, 1059136, 1201408, 1257724, 1303552, 1547968, 2118272, 2402816, 2515448, 3095936, 4236544, 4805632, 5030896, 6191872, 8473088, 10061792, 12383744, 16946176, 20123584, 24767488, 40247168, 80494336, 160988672, 321977344]

約数ペア:

[(1, 321977344), (2, 160988672), (4, 80494336), (8, 40247168), (13, 24767488), (16, 20123584), (19, 16946176), (26, 12383744), (32, 10061792), (38, 8473088), (52, 6191872), (64, 5030896), (67, 4805632), (76, 4236544), (104, 3095936), (128, 2515448), (134, 2402816), (152, 2118272), (208, 1547968), (247, 1303552), (256, 1257724), (268, 1201408), (304, 1059136), (361, 891904), (416, 773984), (494, 651776), (512, 628862), (536, 600704), (608, 529568), (722, 445952), (832, 386992), (871, 369664), (988, 325888), (1024, 314431), (1072, 300352), (1216, 264784), (1273, 252928), (1444, 222976), (1664, 193496), (1742, 184832), (1976, 162944), (2144, 150176), (2432, 132392), (2546, 126464), (2888, 111488), (3328, 96748), (3484, 92416), (3952, 81472), (4288, 75088), (4693, 68608), (4864, 66196), (5092, 63232), (5776, 55744), (6656, 48374), (6968, 46208), (7904, 40736), (8576, 37544), (9386, 34304), (9728, 33098), (10184, 31616), (11552, 27872), (13312, 24187), (13936, 23104), (15808, 20368), (16549, 19456), (17152, 18772)]