257341728

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{241}}^1$

素因数の和:495

約数の個数: 144

約数和(自身を含む): 792548064

約数和(自身を除く): 535206336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 227, 241, 294, 336, 392, 454, 482, 588, 672, 681, 723, 784, 908, 964, 1176, 1362, 1446, 1568, 1589, 1687, 1816, 1928, 2352, 2724, 2892, 3178, 3374, 3632, 3856, 4704, 4767, 5061, 5448, 5784, 6356, 6748, 7264, 7712, 9534, 10122, 10896, 11123, 11568, 11809, 12712, 13496, 19068, 20244, 21792, 22246, 23136, 23618, 25424, 26992, 33369, 35427, 38136, 40488, 44492, 47236, 50848, 53984, 54707, 66738, 70854, 76272, 80976, 88984, 94472, 109414, 133476, 141708, 152544, 161952, 164121, 177968, 188944, 218828, 266952, 283416, 328242, 355936, 377888, 382949, 437656, 533904, 566832, 656484, 765898, 875312, 1067808, 1133664, 1148847, 1312968, 1531796, 1750624, 2297694, 2625936, 2680643, 3063592, 4595388, 5251872, 5361286, 6127184, 8041929, 9190776, 10722572, 12254368, 16083858, 18381552, 21445144, 32167716, 36763104, 42890288, 64335432, 85780576, 128670864, 257341728]

約数ペア:

[(1, 257341728), (2, 128670864), (3, 85780576), (4, 64335432), (6, 42890288), (7, 36763104), (8, 32167716), (12, 21445144), (14, 18381552), (16, 16083858), (21, 12254368), (24, 10722572), (28, 9190776), (32, 8041929), (42, 6127184), (48, 5361286), (49, 5251872), (56, 4595388), (84, 3063592), (96, 2680643), (98, 2625936), (112, 2297694), (147, 1750624), (168, 1531796), (196, 1312968), (224, 1148847), (227, 1133664), (241, 1067808), (294, 875312), (336, 765898), (392, 656484), (454, 566832), (482, 533904), (588, 437656), (672, 382949), (681, 377888), (723, 355936), (784, 328242), (908, 283416), (964, 266952), (1176, 218828), (1362, 188944), (1446, 177968), (1568, 164121), (1589, 161952), (1687, 152544), (1816, 141708), (1928, 133476), (2352, 109414), (2724, 94472), (2892, 88984), (3178, 80976), (3374, 76272), (3632, 70854), (3856, 66738), (4704, 54707), (4767, 53984), (5061, 50848), (5448, 47236), (5784, 44492), (6356, 40488), (6748, 38136), (7264, 35427), (7712, 33369), (9534, 26992), (10122, 25424), (10896, 23618), (11123, 23136), (11568, 22246), (11809, 21792), (12712, 20244), (13496, 19068)]