257275326

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{6257}}^1$

素因数の和:6369

約数の個数: 64

約数和(自身を含む): 648829440

約数和(自身を除く): 391554114

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 89, 154, 178, 231, 267, 462, 534, 623, 979, 1246, 1869, 1958, 2937, 3738, 5874, 6257, 6853, 12514, 13706, 18771, 20559, 37542, 41118, 43799, 68827, 87598, 131397, 137654, 206481, 262794, 412962, 481789, 556873, 963578, 1113746, 1445367, 1670619, 2890734, 3341238, 3898111, 6125603, 7796222, 11694333, 12251206, 18376809, 23388666, 36753618, 42879221, 85758442, 128637663, 257275326]

約数ペア:

[(1, 257275326), (2, 128637663), (3, 85758442), (6, 42879221), (7, 36753618), (11, 23388666), (14, 18376809), (21, 12251206), (22, 11694333), (33, 7796222), (42, 6125603), (66, 3898111), (77, 3341238), (89, 2890734), (154, 1670619), (178, 1445367), (231, 1113746), (267, 963578), (462, 556873), (534, 481789), (623, 412962), (979, 262794), (1246, 206481), (1869, 137654), (1958, 131397), (2937, 87598), (3738, 68827), (5874, 43799), (6257, 41118), (6853, 37542), (12514, 20559), (13706, 18771)]