1288353913

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 1746662400

約数和(自身を除く): 458308487

約数列:

[1, 7, 11, 29, 49, 59, 77, 121, 127, 203, 319, 413, 539, 649, 847, 889, 1397, 1421, 1711, 2233, 2891, 3509, 3683, 4543, 5929, 6223, 7139, 7493, 9779, 11977, 15367, 15631, 18821, 24563, 25781, 31801, 40513, 49973, 52451, 68453, 82423, 83839, 107569, 131747, 171941, 180467, 207031, 217297, 283591, 349811, 367157, 445643, 576961, 752983, 906653, 922229, 1449217, 1521079, 1985137, 2390267, 3119501, 4038727, 6346571, 10144519, 10647553, 16731869, 21836507, 26292937, 44425997, 117123083, 184050559, 1288353913]

約数ペア:

[(1, 1288353913), (7, 184050559), (11, 117123083), (29, 44425997), (49, 26292937), (59, 21836507), (77, 16731869), (121, 10647553), (127, 10144519), (203, 6346571), (319, 4038727), (413, 3119501), (539, 2390267), (649, 1985137), (847, 1521079), (889, 1449217), (1397, 922229), (1421, 906653), (1711, 752983), (2233, 576961), (2891, 445643), (3509, 367157), (3683, 349811), (4543, 283591), (5929, 217297), (6223, 207031), (7139, 180467), (7493, 171941), (9779, 131747), (11977, 107569), (15367, 83839), (15631, 82423), (18821, 68453), (24563, 52451), (25781, 49973), (31801, 40513)]