138406723

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 184267776

約数和(自身を除く): 45861053

約数列:

[1, 7, 13, 31, 43, 49, 91, 163, 217, 301, 403, 559, 637, 1141, 1333, 1519, 2107, 2119, 2821, 3913, 5053, 7009, 7987, 9331, 14833, 17329, 19747, 27391, 35371, 49063, 65317, 65689, 91117, 103831, 121303, 217279, 247597, 343441, 459823, 637819, 849121, 1520953, 2824627, 3218761, 4464733, 10646671, 19772389, 138406723]

約数ペア:

[(1, 138406723), (7, 19772389), (13, 10646671), (31, 4464733), (43, 3218761), (49, 2824627), (91, 1520953), (163, 849121), (217, 637819), (301, 459823), (403, 343441), (559, 247597), (637, 217279), (1141, 121303), (1333, 103831), (1519, 91117), (2107, 65689), (2119, 65317), (2821, 49063), (3913, 35371), (5053, 27391), (7009, 19747), (7987, 17329), (9331, 14833)]