81781238

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{2099}}^1$

素因数の和:2153

約数の個数: 48

約数和(自身を含む): 160876800

約数和(自身を除く): 79095562

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 121, 154, 161, 242, 253, 322, 506, 847, 1694, 1771, 2099, 2783, 3542, 4198, 5566, 14693, 19481, 23089, 29386, 38962, 46178, 48277, 96554, 161623, 253979, 323246, 337939, 507958, 531047, 675878, 1062094, 1777853, 3555706, 3717329, 5841517, 7434658, 11683034, 40890619, 81781238]

約数ペア:

[(1, 81781238), (2, 40890619), (7, 11683034), (11, 7434658), (14, 5841517), (22, 3717329), (23, 3555706), (46, 1777853), (77, 1062094), (121, 675878), (154, 531047), (161, 507958), (242, 337939), (253, 323246), (322, 253979), (506, 161623), (847, 96554), (1694, 48277), (1771, 46178), (2099, 38962), (2783, 29386), (3542, 23089), (4198, 19481), (5566, 14693)]