25757312

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:146

約数の個数: 128

約数和(自身を含む): 66096000

約数和(自身を除く): 40338688

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 32, 34, 38, 56, 64, 68, 76, 89, 112, 119, 128, 133, 136, 152, 178, 224, 238, 266, 272, 304, 323, 356, 448, 476, 532, 544, 608, 623, 646, 712, 896, 952, 1064, 1088, 1216, 1246, 1292, 1424, 1513, 1691, 1904, 2128, 2176, 2261, 2432, 2492, 2584, 2848, 3026, 3382, 3808, 4256, 4522, 4984, 5168, 5696, 6052, 6764, 7616, 8512, 9044, 9968, 10336, 10591, 11392, 11837, 12104, 13528, 15232, 17024, 18088, 19936, 20672, 21182, 23674, 24208, 27056, 28747, 36176, 39872, 41344, 42364, 47348, 48416, 54112, 57494, 72352, 79744, 84728, 94696, 96832, 108224, 114988, 144704, 169456, 189392, 193664, 201229, 216448, 229976, 289408, 338912, 378784, 402458, 459952, 677824, 757568, 804916, 919904, 1355648, 1515136, 1609832, 1839808, 3219664, 3679616, 6439328, 12878656, 25757312]

約数ペア:

[(1, 25757312), (2, 12878656), (4, 6439328), (7, 3679616), (8, 3219664), (14, 1839808), (16, 1609832), (17, 1515136), (19, 1355648), (28, 919904), (32, 804916), (34, 757568), (38, 677824), (56, 459952), (64, 402458), (68, 378784), (76, 338912), (89, 289408), (112, 229976), (119, 216448), (128, 201229), (133, 193664), (136, 189392), (152, 169456), (178, 144704), (224, 114988), (238, 108224), (266, 96832), (272, 94696), (304, 84728), (323, 79744), (356, 72352), (448, 57494), (476, 54112), (532, 48416), (544, 47348), (608, 42364), (623, 41344), (646, 39872), (712, 36176), (896, 28747), (952, 27056), (1064, 24208), (1088, 23674), (1216, 21182), (1246, 20672), (1292, 19936), (1424, 18088), (1513, 17024), (1691, 15232), (1904, 13528), (2128, 12104), (2176, 11837), (2261, 11392), (2432, 10591), (2492, 10336), (2584, 9968), (2848, 9044), (3026, 8512), (3382, 7616), (3808, 6764), (4256, 6052), (4522, 5696), (4984, 5168)]