257898368

素因数分解:

$2^7\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3163}}^1$

素因数の和:3204

約数の個数: 96

約数和(自身を含む): 643842360

約数和(自身を除く): 385943992

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 364, 392, 416, 448, 637, 728, 784, 832, 896, 1274, 1456, 1568, 1664, 2548, 2912, 3136, 3163, 5096, 5824, 6272, 6326, 10192, 11648, 12652, 20384, 22141, 25304, 40768, 41119, 44282, 50608, 81536, 82238, 88564, 101216, 154987, 164476, 177128, 202432, 287833, 309974, 328952, 354256, 404864, 575666, 619948, 657904, 708512, 1151332, 1239896, 1315808, 1417024, 2014831, 2302664, 2479792, 2631616, 2834048, 4029662, 4605328, 4959584, 5263232, 8059324, 9210656, 9919168, 16118648, 18421312, 19838336, 32237296, 36842624, 64474592, 128949184, 257898368]

約数ペア:

[(1, 257898368), (2, 128949184), (4, 64474592), (7, 36842624), (8, 32237296), (13, 19838336), (14, 18421312), (16, 16118648), (26, 9919168), (28, 9210656), (32, 8059324), (49, 5263232), (52, 4959584), (56, 4605328), (64, 4029662), (91, 2834048), (98, 2631616), (104, 2479792), (112, 2302664), (128, 2014831), (182, 1417024), (196, 1315808), (208, 1239896), (224, 1151332), (364, 708512), (392, 657904), (416, 619948), (448, 575666), (637, 404864), (728, 354256), (784, 328952), (832, 309974), (896, 287833), (1274, 202432), (1456, 177128), (1568, 164476), (1664, 154987), (2548, 101216), (2912, 88564), (3136, 82238), (3163, 81536), (5096, 50608), (5824, 44282), (6272, 41119), (6326, 40768), (10192, 25304), (11648, 22141), (12652, 20384)]