255373888

素因数分解:

$2^6\times 7^2\times {\mathrm{11}}^2\times {\mathrm{673}}^1$

素因数の和:721

約数の個数: 126

約数和(自身を含む): 648918438

約数和(自身を除く): 393544550

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 121, 154, 176, 196, 224, 242, 308, 352, 392, 448, 484, 539, 616, 673, 704, 784, 847, 968, 1078, 1232, 1346, 1568, 1694, 1936, 2156, 2464, 2692, 3136, 3388, 3872, 4312, 4711, 4928, 5384, 5929, 6776, 7403, 7744, 8624, 9422, 10768, 11858, 13552, 14806, 17248, 18844, 21536, 23716, 27104, 29612, 32977, 34496, 37688, 43072, 47432, 51821, 54208, 59224, 65954, 75376, 81433, 94864, 103642, 118448, 131908, 150752, 162866, 189728, 207284, 236896, 263816, 301504, 325732, 362747, 379456, 414568, 473792, 527632, 570031, 651464, 725494, 829136, 1055264, 1140062, 1302928, 1450988, 1658272, 2110528, 2280124, 2605856, 2901976, 3316544, 3990217, 4560248, 5211712, 5803952, 7980434, 9120496, 11607904, 15960868, 18240992, 23215808, 31921736, 36481984, 63843472, 127686944, 255373888]

約数ペア:

[(1, 255373888), (2, 127686944), (4, 63843472), (7, 36481984), (8, 31921736), (11, 23215808), (14, 18240992), (16, 15960868), (22, 11607904), (28, 9120496), (32, 7980434), (44, 5803952), (49, 5211712), (56, 4560248), (64, 3990217), (77, 3316544), (88, 2901976), (98, 2605856), (112, 2280124), (121, 2110528), (154, 1658272), (176, 1450988), (196, 1302928), (224, 1140062), (242, 1055264), (308, 829136), (352, 725494), (392, 651464), (448, 570031), (484, 527632), (539, 473792), (616, 414568), (673, 379456), (704, 362747), (784, 325732), (847, 301504), (968, 263816), (1078, 236896), (1232, 207284), (1346, 189728), (1568, 162866), (1694, 150752), (1936, 131908), (2156, 118448), (2464, 103642), (2692, 94864), (3136, 81433), (3388, 75376), (3872, 65954), (4312, 59224), (4711, 54208), (4928, 51821), (5384, 47432), (5929, 43072), (6776, 37688), (7403, 34496), (7744, 32977), (8624, 29612), (9422, 27104), (10768, 23716), (11858, 21536), (13552, 18844), (14806, 17248)]