128792336

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{919}}^1$

素因数の和:1407

約数の個数: 40

約数和(自身を含む): 263524800

約数和(自身を除く): 134732464

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 461, 919, 922, 1838, 1844, 3676, 3688, 7352, 7376, 8759, 14704, 17461, 17518, 34922, 35036, 69844, 70072, 139688, 140144, 279376, 423659, 847318, 1694636, 3389272, 6778544, 8049521, 16099042, 32198084, 64396168, 128792336]

約数ペア:

[(1, 128792336), (2, 64396168), (4, 32198084), (8, 16099042), (16, 8049521), (19, 6778544), (38, 3389272), (76, 1694636), (152, 847318), (304, 423659), (461, 279376), (919, 140144), (922, 139688), (1838, 70072), (1844, 69844), (3676, 35036), (3688, 34922), (7352, 17518), (7376, 17461), (8759, 14704)]