25400193

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 44482176

約数和(自身を除く): 19081983

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 169, 221, 273, 357, 421, 507, 663, 1183, 1263, 1547, 2873, 2947, 3549, 4641, 5473, 7157, 8619, 8841, 16419, 20111, 21471, 38311, 50099, 60333, 71149, 93041, 114933, 150297, 213447, 279123, 498043, 651287, 1209533, 1494129, 1953861, 3628599, 8466731, 25400193]

約数ペア:

[(1, 25400193), (3, 8466731), (7, 3628599), (13, 1953861), (17, 1494129), (21, 1209533), (39, 651287), (51, 498043), (91, 279123), (119, 213447), (169, 150297), (221, 114933), (273, 93041), (357, 71149), (421, 60333), (507, 50099), (663, 38311), (1183, 21471), (1263, 20111), (1547, 16419), (2873, 8841), (2947, 8619), (3549, 7157), (4641, 5473)]