25507222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 42517440

約数和(自身を除く): 17010218

約数列:

[1, 2, 13, 26, 73, 89, 146, 151, 178, 302, 949, 1157, 1898, 1963, 2314, 3926, 6497, 11023, 12994, 13439, 22046, 26878, 84461, 143299, 168922, 174707, 286598, 349414, 981047, 1962094, 12753611, 25507222]

約数ペア:

[(1, 25507222), (2, 12753611), (13, 1962094), (26, 981047), (73, 349414), (89, 286598), (146, 174707), (151, 168922), (178, 143299), (302, 84461), (949, 26878), (1157, 22046), (1898, 13439), (1963, 12994), (2314, 11023), (3926, 6497)]