81016166

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 160496640

約数和(自身を除く): 79480474

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 89, 154, 161, 178, 253, 257, 322, 506, 514, 623, 979, 1246, 1771, 1799, 1958, 2047, 2827, 3542, 3598, 4094, 5654, 5911, 6853, 11822, 13706, 14329, 19789, 22517, 22873, 28658, 39578, 41377, 45034, 45746, 65021, 82754, 130042, 157619, 160111, 251603, 315238, 320222, 455147, 503206, 526079, 910294, 1052158, 1761221, 3522442, 3682553, 5786869, 7365106, 11573738, 40508083, 81016166]

約数ペア:

[(1, 81016166), (2, 40508083), (7, 11573738), (11, 7365106), (14, 5786869), (22, 3682553), (23, 3522442), (46, 1761221), (77, 1052158), (89, 910294), (154, 526079), (161, 503206), (178, 455147), (253, 320222), (257, 315238), (322, 251603), (506, 160111), (514, 157619), (623, 130042), (979, 82754), (1246, 65021), (1771, 45746), (1799, 45034), (1958, 41377), (2047, 39578), (2827, 28658), (3542, 22873), (3598, 22517), (4094, 19789), (5654, 14329), (5911, 13706), (6853, 11822)]