128773318

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 205701120

約数和(自身を除く): 76927802

約数列:

[1, 2, 31, 61, 62, 79, 122, 158, 431, 862, 1891, 2449, 3782, 4819, 4898, 9638, 13361, 26291, 26722, 34049, 52582, 68098, 149389, 298778, 815021, 1055519, 1630042, 2076989, 2111038, 4153978, 64386659, 128773318]

約数ペア:

[(1, 128773318), (2, 64386659), (31, 4153978), (61, 2111038), (62, 2076989), (79, 1630042), (122, 1055519), (158, 815021), (431, 298778), (862, 149389), (1891, 68098), (2449, 52582), (3782, 34049), (4819, 26722), (4898, 26291), (9638, 13361)]