3973888

素因数分解:

$2^8\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 54

約数和(自身を含む): 8566404

約数和(自身を除く): 4592516

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 76, 86, 128, 152, 172, 256, 304, 344, 361, 608, 688, 722, 817, 1216, 1376, 1444, 1634, 2432, 2752, 2888, 3268, 4864, 5504, 5776, 6536, 11008, 11552, 13072, 15523, 23104, 26144, 31046, 46208, 52288, 62092, 92416, 104576, 124184, 209152, 248368, 496736, 993472, 1986944, 3973888]

約数ペア:

[(1, 3973888), (2, 1986944), (4, 993472), (8, 496736), (16, 248368), (19, 209152), (32, 124184), (38, 104576), (43, 92416), (64, 62092), (76, 52288), (86, 46208), (128, 31046), (152, 26144), (172, 23104), (256, 15523), (304, 13072), (344, 11552), (361, 11008), (608, 6536), (688, 5776), (722, 5504), (817, 4864), (1216, 3268), (1376, 2888), (1444, 2752), (1634, 2432)]