12878656

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 112

約数和(自身を含む): 32918400

約数和(自身を除く): 20039744

約数列:

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

約数ペア:

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