127788353

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 164166912

約数和(自身を除く): 36378559

約数列:

[1, 7, 11, 53, 77, 173, 181, 371, 583, 1211, 1267, 1903, 1991, 4081, 9169, 9593, 13321, 13937, 31313, 64183, 67151, 100859, 105523, 219191, 344443, 706013, 738661, 1659589, 2411101, 11617123, 18255479, 127788353]

約数ペア:

[(1, 127788353), (7, 18255479), (11, 11617123), (53, 2411101), (77, 1659589), (173, 738661), (181, 706013), (371, 344443), (583, 219191), (1211, 105523), (1267, 100859), (1903, 67151), (1991, 64183), (4081, 31313), (9169, 13937), (9593, 13321)]