25678638

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 57507840

約数和(自身を除く): 31829202

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 127, 141, 239, 254, 282, 381, 423, 478, 717, 762, 846, 1143, 1434, 2151, 2286, 4302, 5969, 11233, 11938, 17907, 22466, 30353, 33699, 35814, 53721, 60706, 67398, 91059, 101097, 107442, 182118, 202194, 273177, 546354, 1426591, 2853182, 4279773, 8559546, 12839319, 25678638]

約数ペア:

[(1, 25678638), (2, 12839319), (3, 8559546), (6, 4279773), (9, 2853182), (18, 1426591), (47, 546354), (94, 273177), (127, 202194), (141, 182118), (239, 107442), (254, 101097), (282, 91059), (381, 67398), (423, 60706), (478, 53721), (717, 35814), (762, 33699), (846, 30353), (1143, 22466), (1434, 17907), (2151, 11938), (2286, 11233), (4302, 5969)]