259261184

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 659312640

約数和(自身を除く): 400051456

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 248, 256, 359, 364, 403, 416, 434, 448, 496, 718, 728, 806, 832, 868, 896, 992, 1436, 1456, 1612, 1664, 1736, 1792, 1984, 2513, 2821, 2872, 2912, 3224, 3328, 3472, 3968, 4667, 5026, 5642, 5744, 5824, 6448, 6944, 7936, 9334, 10052, 11129, 11284, 11488, 11648, 12896, 13888, 18668, 20104, 22258, 22568, 22976, 23296, 25792, 27776, 32669, 37336, 40208, 44516, 45136, 45952, 51584, 55552, 65338, 74672, 77903, 80416, 89032, 90272, 91904, 103168, 130676, 144677, 149344, 155806, 160832, 178064, 180544, 261352, 289354, 298688, 311612, 321664, 356128, 361088, 522704, 578708, 597376, 623224, 643328, 712256, 722176, 1012739, 1045408, 1157416, 1194752, 1246448, 1424512, 2025478, 2090816, 2314832, 2492896, 2849024, 4050956, 4181632, 4629664, 4985792, 8101912, 8363264, 9259328, 9971584, 16203824, 18518656, 19943168, 32407648, 37037312, 64815296, 129630592, 259261184]

約数ペア:

[(1, 259261184), (2, 129630592), (4, 64815296), (7, 37037312), (8, 32407648), (13, 19943168), (14, 18518656), (16, 16203824), (26, 9971584), (28, 9259328), (31, 8363264), (32, 8101912), (52, 4985792), (56, 4629664), (62, 4181632), (64, 4050956), (91, 2849024), (104, 2492896), (112, 2314832), (124, 2090816), (128, 2025478), (182, 1424512), (208, 1246448), (217, 1194752), (224, 1157416), (248, 1045408), (256, 1012739), (359, 722176), (364, 712256), (403, 643328), (416, 623224), (434, 597376), (448, 578708), (496, 522704), (718, 361088), (728, 356128), (806, 321664), (832, 311612), (868, 298688), (896, 289354), (992, 261352), (1436, 180544), (1456, 178064), (1612, 160832), (1664, 155806), (1736, 149344), (1792, 144677), (1984, 130676), (2513, 103168), (2821, 91904), (2872, 90272), (2912, 89032), (3224, 80416), (3328, 77903), (3472, 74672), (3968, 65338), (4667, 55552), (5026, 51584), (5642, 45952), (5744, 45136), (5824, 44516), (6448, 40208), (6944, 37336), (7936, 32669), (9334, 27776), (10052, 25792), (11129, 23296), (11284, 22976), (11488, 22568), (11648, 22258), (12896, 20104), (13888, 18668)]