25400739

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 45158400

約数和(自身を除く): 19757661

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 59, 83, 91, 133, 177, 247, 249, 273, 399, 413, 581, 741, 767, 1079, 1121, 1239, 1577, 1729, 1743, 2301, 3237, 3363, 4731, 4897, 5187, 5369, 7553, 7847, 11039, 14573, 14691, 16107, 20501, 22659, 23541, 33117, 34279, 43719, 61503, 63661, 93043, 102011, 102837, 143507, 190983, 279129, 306033, 430521, 445627, 651301, 1209559, 1336881, 1953903, 3628677, 8466913, 25400739]

約数ペア:

[(1, 25400739), (3, 8466913), (7, 3628677), (13, 1953903), (19, 1336881), (21, 1209559), (39, 651301), (57, 445627), (59, 430521), (83, 306033), (91, 279129), (133, 190983), (177, 143507), (247, 102837), (249, 102011), (273, 93043), (399, 63661), (413, 61503), (581, 43719), (741, 34279), (767, 33117), (1079, 23541), (1121, 22659), (1239, 20501), (1577, 16107), (1729, 14691), (1743, 14573), (2301, 11039), (3237, 7847), (3363, 7553), (4731, 5369), (4897, 5187)]