25513208

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^2$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 56130480

約数和(自身を除く): 30617272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 79, 146, 158, 292, 316, 511, 553, 584, 632, 1022, 1106, 2044, 2212, 4088, 4424, 5767, 6241, 11534, 12482, 23068, 24964, 40369, 43687, 46136, 49928, 80738, 87374, 161476, 174748, 322952, 349496, 455593, 911186, 1822372, 3189151, 3644744, 6378302, 12756604, 25513208]

約数ペア:

[(1, 25513208), (2, 12756604), (4, 6378302), (7, 3644744), (8, 3189151), (14, 1822372), (28, 911186), (56, 455593), (73, 349496), (79, 322952), (146, 174748), (158, 161476), (292, 87374), (316, 80738), (511, 49928), (553, 46136), (584, 43687), (632, 40369), (1022, 24964), (1106, 23068), (2044, 12482), (2212, 11534), (4088, 6241), (4424, 5767)]