1781138432

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2129}}^1$

素因数の和:2211

約数の個数: 88

約数和(自身を含む): 3836896800

約数和(自身を除く): 2055758368

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 76, 86, 128, 152, 172, 256, 304, 344, 512, 608, 688, 817, 1024, 1216, 1376, 1634, 2129, 2432, 2752, 3268, 4258, 4864, 5504, 6536, 8516, 9728, 11008, 13072, 17032, 19456, 22016, 26144, 34064, 40451, 44032, 52288, 68128, 80902, 91547, 104576, 136256, 161804, 183094, 209152, 272512, 323608, 366188, 418304, 545024, 647216, 732376, 836608, 1090048, 1294432, 1464752, 1739393, 2180096, 2588864, 2929504, 3478786, 5177728, 5859008, 6957572, 10355456, 11718016, 13915144, 20710912, 23436032, 27830288, 41421824, 46872064, 55660576, 93744128, 111321152, 222642304, 445284608, 890569216, 1781138432]

約数ペア:

[(1, 1781138432), (2, 890569216), (4, 445284608), (8, 222642304), (16, 111321152), (19, 93744128), (32, 55660576), (38, 46872064), (43, 41421824), (64, 27830288), (76, 23436032), (86, 20710912), (128, 13915144), (152, 11718016), (172, 10355456), (256, 6957572), (304, 5859008), (344, 5177728), (512, 3478786), (608, 2929504), (688, 2588864), (817, 2180096), (1024, 1739393), (1216, 1464752), (1376, 1294432), (1634, 1090048), (2129, 836608), (2432, 732376), (2752, 647216), (3268, 545024), (4258, 418304), (4864, 366188), (5504, 323608), (6536, 272512), (8516, 209152), (9728, 183094), (11008, 161804), (13072, 136256), (17032, 104576), (19456, 91547), (22016, 80902), (26144, 68128), (34064, 52288), (40451, 44032)]