25258828

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{601}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 53939200

約数和(自身を除く): 28680372

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 79, 133, 158, 266, 316, 532, 553, 601, 1106, 1202, 1501, 2212, 2404, 3002, 4207, 6004, 8414, 10507, 11419, 16828, 21014, 22838, 42028, 45676, 47479, 79933, 94958, 159866, 189916, 319732, 332353, 664706, 902101, 1329412, 1804202, 3608404, 6314707, 12629414, 25258828]

約数ペア:

[(1, 25258828), (2, 12629414), (4, 6314707), (7, 3608404), (14, 1804202), (19, 1329412), (28, 902101), (38, 664706), (76, 332353), (79, 319732), (133, 189916), (158, 159866), (266, 94958), (316, 79933), (532, 47479), (553, 45676), (601, 42028), (1106, 22838), (1202, 21014), (1501, 16828), (2212, 11419), (2404, 10507), (3002, 8414), (4207, 6004)]