157554878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 288671040

約数和(自身を除く): 131116162

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 73, 146, 221, 247, 257, 323, 442, 494, 514, 646, 949, 1241, 1387, 1898, 2482, 2774, 3341, 4199, 4369, 4883, 6682, 8398, 8738, 9766, 16133, 18031, 18761, 23579, 32266, 36062, 37522, 47158, 56797, 63479, 83011, 113594, 126958, 166022, 243893, 306527, 318937, 356459, 487786, 613054, 637874, 712918, 1079143, 2158286, 4146181, 4633967, 6059803, 8292362, 9267934, 12119606, 78777439, 157554878]

約数ペア:

[(1, 157554878), (2, 78777439), (13, 12119606), (17, 9267934), (19, 8292362), (26, 6059803), (34, 4633967), (38, 4146181), (73, 2158286), (146, 1079143), (221, 712918), (247, 637874), (257, 613054), (323, 487786), (442, 356459), (494, 318937), (514, 306527), (646, 243893), (949, 166022), (1241, 126958), (1387, 113594), (1898, 83011), (2482, 63479), (2774, 56797), (3341, 47158), (4199, 37522), (4369, 36062), (4883, 32266), (6682, 23579), (8398, 18761), (8738, 18031), (9766, 16133)]