461918545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 661893120

約数和(自身を除く): 199974575

約数列:

[1, 5, 11, 23, 37, 55, 71, 115, 139, 185, 253, 355, 407, 695, 781, 851, 1265, 1529, 1633, 2035, 2627, 3197, 3905, 4255, 5143, 7645, 8165, 9361, 9869, 13135, 15985, 17963, 25715, 28897, 35167, 46805, 49345, 56573, 60421, 89815, 108559, 118289, 144485, 175835, 226987, 282865, 302105, 365153, 542795, 591445, 664631, 1134935, 1301179, 1825765, 2496857, 3323155, 4016683, 6505895, 8398519, 12484285, 20083415, 41992595, 92383709, 461918545]

約数ペア:

[(1, 461918545), (5, 92383709), (11, 41992595), (23, 20083415), (37, 12484285), (55, 8398519), (71, 6505895), (115, 4016683), (139, 3323155), (185, 2496857), (253, 1825765), (355, 1301179), (407, 1134935), (695, 664631), (781, 591445), (851, 542795), (1265, 365153), (1529, 302105), (1633, 282865), (2035, 226987), (2627, 175835), (3197, 144485), (3905, 118289), (4255, 108559), (5143, 89815), (7645, 60421), (8165, 56573), (9361, 49345), (9869, 46805), (13135, 35167), (15985, 28897), (17963, 25715)]