161838259

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 190513152

約数和(自身を除く): 28674893

約数列:

[1, 11, 31, 37, 101, 127, 341, 407, 1111, 1147, 1397, 3131, 3737, 3937, 4699, 12617, 12827, 34441, 41107, 43307, 51689, 115847, 141097, 145669, 397637, 474599, 1274317, 1602359, 4374007, 5220589, 14712569, 161838259]

約数ペア:

[(1, 161838259), (11, 14712569), (31, 5220589), (37, 4374007), (101, 1602359), (127, 1274317), (341, 474599), (407, 397637), (1111, 145669), (1147, 141097), (1397, 115847), (3131, 51689), (3737, 43307), (3937, 41107), (4699, 34441), (12617, 12827)]