25388253

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 42681600

約数和(自身を除く): 17293347

約数列:

[1, 3, 9, 11, 29, 33, 37, 87, 99, 111, 239, 261, 319, 333, 407, 717, 957, 1073, 1221, 2151, 2629, 2871, 3219, 3663, 6931, 7887, 8843, 9657, 11803, 20793, 23661, 26529, 35409, 62379, 76241, 79587, 97273, 106227, 228723, 256447, 291819, 686169, 769341, 875457, 2308023, 2820917, 8462751, 25388253]

約数ペア:

[(1, 25388253), (3, 8462751), (9, 2820917), (11, 2308023), (29, 875457), (33, 769341), (37, 686169), (87, 291819), (99, 256447), (111, 228723), (239, 106227), (261, 97273), (319, 79587), (333, 76241), (407, 62379), (717, 35409), (957, 26529), (1073, 23661), (1221, 20793), (2151, 11803), (2629, 9657), (2871, 8843), (3219, 7887), (3663, 6931)]